#include <stdio.h>

int main(){
    int a,b,c;

    scanf("%d%d%d",&a,&b,&c);

    a*=a;
    b*=b;
    c*=c;

    if(a == b+c || b== a+c || c==a+b){
        printf("YES\n");
    }else{
        printf("NO\n");
    }

    return 0;
}