#include<bits/stdc++.h> using namespace std; int main() { int a,b,c; cin>>a>>b>>c; if(aa+bb==c*c){ cout<<"yes"; }else{ cout<<"no"; } return 0; }

using namespace std;
int main()
{
  int a,b,c;
  cin>>a>>b>>c;
  if(a*a+b*b==c*c || a*a+c*c==b*b || b*b+c*c==a*a){
  	cout<<"yes"<<endl;
  }else{
  	cout<<"no"<<endl;
  }
  return 0;
}

using namespace std;
int main()
{
  int a,b,c;
  cin>>a>>b>>c;
  if(a*a+b*b==c*c or a*a+c*c==b*b or b*b+c*c==a*a){
  	cout<<"yes"<<endl;
  }else{
  	cout<<"no"<<endl;
  }
  return 0;
}

#include<bits/stdc++.h> using namespace std; int main() { int a,b,c; cin>>a>>b>>c; if(aa+bb==c*c){ cout<<"yes"; }else{ cout<<"no"; } return 0; }