#include <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>

int main() {
  int a,b,c;
  scanf("%d %d %d", &a, &b, &c); 
  std::vector<int> v;
  v.push_back(a);
  v.push_back(b);
  v.push_back(c);
  sort(v.begin(),v.end());
  if((a*a)+(b*b)==(c*c)) {
    std::cout << "YES" << std::endl;
  }
  else {
    std::cout << "NO" << std::endl;
  }
}