import java.io.*;
import static java.lang.System.*;
import java.util.Scanner;
import java.lang.Math;

public class newProj {
         public static void main (String str []) throws IOException {

        Scanner scanner = new Scanner(System.in);

        int a;
        int b;
        int c;
        int d;
        int x;
        boolean e;
        boolean f;
        boolean g;
        boolean h;


        System.out.println("Please enter the first octet.");
        a = scanner.nextInt();
        System.out.println("Please enter the second octet.");
        b = scanner.nextInt();
        System.out.println("Please enter the third octet.");
        c = scanner.nextInt();
        System.out.println("Please enter the fourth octet.");
        d = scanner.nextInt();

       x = 1;

       if(a >= 0 && a <= 255) {
       }
       else {
           System.out.println("Octet 1 is incorrect");
            x = 0;
       }

       if(b >= 0 && b <= 255) {
       }
       else {
           System.out.println("Octet 2 is incorrect");
            x = 0;
       }

       if(c >= 0 && c <= 255) {
       }
       else {
           System.out.println("Octet 3 is incorrect");
            x = 0;
       }

       if(d >= 0 && d <= 255) {
       }
       else {
           System.out.println("Octet 4 is incorrect");
            x = 0;
       }


       if(x != 0) {
           System.out.println("IP Address: " + a + "." + b + "." + c + "." + d);
       }
         }
    }