#include <iostream>
#include <math.h>
using namespace std;
int main()
{
 long int a,b,c;
 cin>>a>>b>>c;
 cout << (((a*a)+(b*b))==(c*c)||((a*a)+(c*c))==(b*b)|| ((c*c)+(b*b))==(a*a)?"YES":"NO")<< endl; 
 return 0;
}