#include <bits/stdc++.h> // header file includes every Standard library
using namespace std;
int main() {
int a,b,c;
cin>>a>>b>>c;
if(a+b>0 && (a+b) & 1 ==0 ) cout<<"YES";
else if(c+b>0 && (c+b) & 1 ==0) cout<<"YES";
else if(a+c>0 && (a+c) & 1 ==0) cout<<"YES";
else cout<<"NO";
return 0;
}
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