#include<iostream>


int main(void){
  int a,b,c;
  std::cin >> a >> b >> c;
  if(a*a == b*b+c*c){
    std::cout << "YES" << std::endl;
  }else if(b*b ==a*a+c*c){
    std::cout << "YES" << std::endl;
  }else if(c*c ==a*a+b*b){
    std::cout << "YES" << std::endl;
  }else{
    std::cout << "NO" << std::endl;
  }
  return 0;
}