#include <bits/stdc++.h>
using namespace std;


int main(int argc, char const *argv[])
{
    int a;
    int b;
    int c;
    cin>>a>>b>>c;

    
    if ((a+b+c)%==0) {
        cout<<"Yes";
    }
    else
    {
        cout<<"No";
    }
    
    
    return 0;
}