import java.util.Scanner;

public class Fermat {

public static void main(String[] args) {

int a;

int b;

int c;

int n;

Scanner in = new Scanner(System.in);

System.out.print("What's your 'a' number? ");

a = in.nextInt();

System.out.print("What's your 'b' number? ");

b = in.nextInt();

System.out.print("What's your 'c' number? ");

c = in.nextInt();

System.out.print("What's your 'n' number? ");

n = in.nextInt();

boolean result = Math.pow(a, n) + Math.pow(b, n) == Math.pow(c, n);

if (n > 2 && result) {

System.out.println("Holy smokes, Fermat was wrong!");

} else {

System.out.println("No, that doesn't work.");

}

}

}