1030: 判断直角三角形
import java.util.*;
public class Main {
public static void main(String[] args) {
Scanner cin= new Scanner(System.in);int a=cin.nextInt();int b=cin.nextInt();int c=cin.nextInt();if(a*a==b*b+c*c || b*b==a*a+c*c || c*c==a*a+b*b)System.out.printf("yes");elseSystem.out.printf("no");}
}