package com.company;
import java.util.Scanner;

public class PolishFlag {

    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);

        System.out.println("Podaj jaki chcesz rozmiar flagi");
        System.out.println("[10] - small\n[20] - medium\n[30] - large");

        int size = scan.nextInt();

        //menu glowne z wyborem 3-ch rozmiarow flagi
        switch(size){
            case 10:
                polishFlag(size);
                break;
            case 20:
                polishFlag(size);
                break;
            case 30:
                polishFlag(size);
                break;
            default:
                System.out.println("Nie podales zadnej z trzech wartosci");
                break;
        }

    }

    //funkcja rysujaca flage
    public static void polishFlag(int size) {

        //petla rysujaca gorna krawedz flagi
        for (int i=0; i<size*3; i++) {
            System.out.print("═");
        }
        System.out.println();

        //petla rysujaca "biala" polowe flagi"
        for (int i=0; i<size/2-2; i++) {
            System.out.print("║");
            for (int j=0; j<size*3-2; j++) {
                System.out.print(" ");
            }
            System.out.println("║");
        }

        //petla rysujaca "czerwona" polowe flagi"
        for (int i=0; i<size/2-2; i++) {
            System.out.print("║");
            for (int j=0; j<size*3-1; j++) {
                System.out.print("║");
            }
            System.out.println();
        }

        //petla rysujaca dolna krawedz flagi
        for (int i=0; i<size*3; i++) {
            System.out.print("═");
        }

    }
}