1-49

import java.io.*;
public class Tugas3 {

    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int soal = 0;

        System.out.print("Soal = ");
        soal = Integer.parseInt(br.readLine());

        switch(soal) {
            case 1 :
                soal1();
                break;

            case 2 :
                soal2();
                break;

            case 3 :
                soal3();
                break;

            case 4 :
                soal4();
                break;

            case 5 :
                soal5();
                break;

            case 6 :
                soal6();
                break;

            case 7 :
                soal7();
                break;

            case 8 :
                soal8();
                break;

            case 9 :
                soal9();
                break;

            case 10 :
                soal10();
                break;

            case 11 :
                soal11();
                break;

            case 12 :
                soal12();
                break;

            case 13 :
                soal13();
                break;

            case 14 :
                soal14();
                break;

            case 15 :
                soal15();
                break;

            case 16 :
                soal16();
                break;

            case 17 :
                soal17();
                break;

            case 18 :
                soal18();
                break;

            case 19 :
                soal19();
                break;

            case 20 :
                soal20();
                break;

            case 21 :
                soal21();
                break;

            case 22 :
                soal22();
                break;

            case 23 :
                soal23();
                break;

            case 24 :
                soal24();
                break;

            case 25 :
                soal25();
                break;

            case 26 :
                soal26();
                break;

            case 27 :
                soal27();
                break;

            case 28 :
                soal28();
                break;

            case 29 :
                soal29();
                break;

            case 30 :
                soal30();
                break;

            case 31 :
                soal31();
                break;

            case 32 :
                soal32();
                break;

            case 33 :
                soal33();
                break;

            case 34 :
                soal34();
                break;

            case 35 :
                soal35();
                break;

            case 36 :
                soal36();
                break;

            case 37 :
                soal37();
                break;

            case 38 :
                soal38();
                break;

            case 39 :
                soal39();
                break;

            case 40 :
                soal40();
                break;

            case 41 :
                soal41();
                break;

            case 42 :
                soal42();
                break;

            case 43 :
                soal43();
                break;

            case 44 :
                soal44();
                break;

            case 45 :
                soal45();
                break;

            case 46 :
                soal46();
                break;

            case 47 :
                soal47();
                break;

            case 48 :
                soal48();
                break;

            case 49:
                soal49();
                break;
        }

    }
    public static void soal1() {

        int i = 1;

        do {
            System.out.println("Hello World");
            i++;
        } while (i <= 100);
    }

    public static void soal2() {

        int i = 1;

        while (i <= 100) {
            System.out.println(i);
            i++;
        }
    }

    public static void soal3() {

        int i = 100;

        do {
            System.out.println(i);
            i--;
        } while (i > 0);
    }

    public static void soal4() {
        int i = 30;

        do {
            if (i % 2 != 0) {
                System.out.println(i);
            }
            i++;
        } while(i <= 120);
    }

    public static void soal5() {

        int i = 30;

        do {
            if (i % 2 == 0) {
                System.out.println(i);
            }
            i++;
        } while (i <= 120);
    }

    public static void soal6() {

        int i = 1;

        while (i <= 100) {

            if (i % 7 == 0) {
                System.out.println(i);
            }
            i++;
        }
    }

    public static void soal7() {

        for(int i = 1; i <= 500; i++) {
            if (i % 15 == 0) {
                System.out.println(i);
            }
        }
    }

    public static void soal8() throws IOException {

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        int batas_bawah = 0, batas_atas = 0;

        System.out.print("Batas bawah = ");
        batas_bawah = Integer.parseInt(br.readLine());
        System.out.print("Batas atas = ");
        batas_atas = Integer.parseInt(br.readLine());

        while (batas_bawah <= batas_atas) {
            if (batas_bawah % 25 == 0) {
                System.out.println(batas_bawah);
            }
            batas_bawah++;
        }
    }

    public static void soal9() {

        char i = 'A';

        while (i <= 'Z') {
            System.out.println(i);
            i++;
        }
    }

    public static void soal10() {

        char i = 'Z';

        while (i >= 'A') {
            System.out.println(i);
            i--;
        }
    }

    public static void soal11() {

        for (int i = 1; i <= 5; i++) {
            System.out.print(i);

            if (i >= 1 && i < 5) {
                System.out.print(" dan ");
            }
        }
    }

    public static void soal12() {

        int jumlah = 0;

        for (int i = 1; i <= 10; i++) {

            jumlah += i;

            if (i == 10) {
                System.out.print(i + " = " + jumlah);
            }
            else {
                System.out.print(i + " + ");
            }
        }
    }

    public static void soal13() {

        int i = 1;
        int j = 1;

        while (j <= 8) {
            i *= 2;
            j++;
            System.out.print(i + " ");
        }
    }

    public static void soal14() {

        for (int i = 1; i <= 7; i++) {

            for (int j = 1; j <= i; j++) {
                System.out.print(i + " ");
            }
        }
    }

    public static void soal15() {

        for (int i = 7; i > 0; i--) {

            for (int j = 1; j <= i; j++) {
                System.out.print(i + " ");
            }
        }
    }

    public static void soal16() {

        for (int i = 1; i <= 6; i++) {

            for (int j = 1; j <= i; j++) {

                System.out.print(j + " ");
            }
        }
    }

    public static void soal17() {

        for (int i = 6; i > 0; i--) {

            for (int j = i ; j > 0 ; j--) {
                System.out.print(j + " ");
            }
        }
    }

    public static void soal18() {

        for (int i = 1; i <=6; i++) {

            for (int j = 1; j<=i; j++) {

                if (i % 2 == 0) {
                    System.out.print(j + " ");
                }
                else {
                    System.out.print(i + " ");
                }
            }
        }
    }

    public static void soal19() {

        for (int i = 1; i <= 6; i++) {

            for (int j = 1 ; j<=i; j++) {

                if (i % 2 == 0) {
                    System.out.print(i + " ");
                }
                else {
                    System.out.print(j + " ");
                }
            }
        }
    }

    public static void soal20() {

        for (int i = 6; i > 0; i--) {

            for (int j = i; j > 0; j--) {

                if (i % 2 == 0) {
                    System.out.print(j+ " ");
                }
                else {
                    System.out.print(i+ " ");
                }

            }
        }
    }

    public static void soal21() {

        for (int i = 6; i > 0; i--) {

            for (int j = 1 ; j <= i; j++) {

                if (i % 2 == 0) {
                    System.out.print(i + " ");
                }
                else {
                    System.out.print(j + " ");
                }
            }
        }
    }

    public static void soal22() {

        for (int i = 1 ; i <= 9; i++) {

            for (int j = 1 ; j <= i; j++) {

                if (i % 4 == 1 || i % 4 == 2) {
                    System.out.print(i);
                }
                else {
                    System.out.print(j);
                }
            }
        }
    }

    public static void soal23() {
        for (int i = 1; i <= 9 ; i++) {

            for(int j = 1; j <= i; j++) {

                if (i % 4 == 0 || i % 4 == 3) {
                    System.out.print(i);
                }
                else {
                    System.out.print(j);
                }
            }
        }
    }

    public static void soal24() {
        for (int i = 8 ; i > 0 ; i--) {

            for (int j = i ; j > 0 ; j--) {

                if (i % 4 == 3 || i % 4 == 0) {
                    System.out.print(i);
                }
                else {
                    System.out.print(j);
                }
            }
        }
    }

    public static void soal25() {
        for (int i = 8 ; i > 0 ; i--) {

            for (int j = i ; j > 0 ; j--) {

                if (i % 4 == 2 || i % 4 == 1) {
                    System.out.print(i);
                }
                else{
                    System.out.print(j);
                }
            }
        }
    }

    public static void soal26() {

        int awal = 1;

        for (int i = 0; i < 12; i++) {
            System.out.print(awal + " ");

            if (i % 2 == 0) {
                awal += 4;
            }
            else {
                awal -= 2;
            }
        }
    }

    public static void soal27() {

        int awal = 2;

        for (int i = 0; i < 10; i++) {
            System.out.print(awal + " ");

            if (i % 2 == 0) {
                awal += 10;
            }
            else {
                awal -= 5;
            }
        }
    }

    public static void soal28() {

        int awal = 5;

        for (int i = 0; i < 12; i++) {
            System.out.print(awal + " ");

            if (i % 2 == 0) {
                awal -= 3;
            }
            else {
                awal += 5;
            }

        }

    }

    public static void soal29() {

        int awal = 3, ratio = 1;

        for (int i = 0; i < 5; i++) {
            System.out.print(awal + " ");
            System.out.print(awal * 3 + " ");
            awal += ratio;
            ratio *= 3;

        }
    }

    public static void soal30() {

        int awal = 1;

        for (int i = 1; i < 14; i++) {
            System.out.print(awal + " ");
            if (i % 3 == 0) {
                awal += 3;
            }
            else if (i % 3 == 1) {
                awal += 1;
            }
            else {
                awal += 2;
            }
        }
    }

    public static void soal31() {

        int awal = 1;

        while (awal <= 512) {
            System.out.print(awal + " ");
            awal *= 2;
        }
    }

    public static void soal32() {

        int angka1 = 0, angka2 = 1, angka3 = 0;

        while (angka1 <= 34) {

            System.out.print(angka1 + " ");

            angka3 = angka1 + angka2;
            angka1 = angka2;
            angka2 = angka3;

        }
    }

    public static void soal33() {

        int angka1 = 0, angka2 = 1, angka3 = 0, i = 0;

        do {
            System.out.print(angka1 + " ");

            angka3 = angka1 + angka2;
            angka1 = angka2;
            angka2 = angka3;
            i++;

        } while(i < 10);
    }

    public static void soal34() {

        for (int i = 1; i <= 3; i++) {

            for (int j = 1; j <= 10; j++ ) {
                System.out.print("1" + " ");
            }
            System.out.println();
        }
    }

    public static void soal35() {

        for (int i = 1; i <= 3; i++) {

            for (int j = 1; j <= (i * 3); j++) {

                System.out.print("1" + " ");
            }
            System.out.println();
        }
    }

    public static void soal36() {

        int awal = 2;

        for (int i = 1; i <= 16; i++) {

            System.out.print(awal + " ");

            if (i % 2 == 0) {
                awal += 7;
            }
            else {
                awal -= 5;
            }
        }
    }

    public static void soal37() {

        for (int i = 1; i <= 18; i++) {

            if (i % 3 == 0) {
                System.out.print("1" + " ");
            }
            else if (i % 3 == 1) {
                System.out.print("0" + " ");
            }
            else {
                System.out.print("*" + " ");
            }
        }
    }

    public static void soal38() {

        for (int i = 1; i <= 1000000; i *= 10) {

            System.out.print(i + " ");
        }
    }

    public static void soal39() {

        for (int i = 1; i <= 3; i++) {

            for (int j = 1; j <= 7; j++) {
                System.out.print("*" + " ");
            }
            System.out.println();
        }
    }

    public static void soal40() {

        for (int i = 1; i <= 3; i++) {

            for (int j = 1; j <= 5; j++) {
                System.out.print("1" + " ");
            }
            System.out.println();
        }
    }

    public static void soal41() {

        for (int i = 1; i <= 4; i++) {

            for (int j = 1; j <= 7; j++) {

                System.out.print(i + " ");
            }
            System.out.println();
        }
    }

    public static void soal42() {

        for (int i = 1; i <= 5; i++) {

            for (int j = 1; j <= 7; j++) {

                System.out.print(j + " ");
            }
            System.out.println();
        }
    }

    public static void soal43() {

        for (int i = 1; i <= 7; i++) {

            for (int j = 1; j <= i; j++) {

                System.out.print(i + " ");
            }
            System.out.println();
        }
    }

    public static void soal44() {

        for (int i = 1; i <= 7; i++) {

            for (int j = 1; j <= i; j++) {

                System.out.print(j + " ");
            }
            System.out.println();
        }
    }

    public static void soal45() {

        for (int i = 1; i <= 3; i++) {

            for (int j = 1; j <= 7; j++) {

                System.out.print(i + "." + j + " ");
            }
            System.out.println();
        }
    }

    public static void soal46() {

        for (int i = 1; i <= 5; i++) {

            for (int j = 1; j <= i; j++) {

                System.out.print("*" + " ");
            }
            System.out.println();
        }
    }

    public static void soal47() {

        for (int i = 5; i >= 1; i--) {

            for (int j = 1; j <= i; j++) {

                System.out.print("*" + " ");
            }
            System.out.println();
        }
    }

    public static void soal48(){

        for (int i = 1; i <= 4; i++) {

            for (int j = 4; j > i; j--) {
                System.out.print("  ");
            }

            for (int k = 1; k < i*2; k++) {
                System.out.print("*" + " ");
            }
            System.out.println();
        }
    }

    public static void soal49() {

        for (int i = 1; i <= 4; i++) {

            for (int j = 1; j <= i+2; j++) {
                System.out.print("*" + " ");
            }
            System.out.println();
        }
    }
}