#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;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8bWF0aC5oPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwppbnQgbWFpbigpCnsKIGxvbmcgaW50IGEsYixjOwogY2luPj5hPj5iPj5jOwogY291dCA8PCAoKChhKmEpKyhiKmIpKT09KGMqYyl8fCgoYSphKSsoYypjKSk9PShiKmIpfHwgKChjKmMpKyhiKmIpKT09KGEqYSk/IllFUyI6Ik5PIik8PCBlbmRsOyAKIHJldHVybiAwOwp9