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

#include<iostream> using namespace std; int main(){ long long a,b,c; cin>>a>>b>>c; if (a+b==c) cout<<"YES"; else cout<<"NO"; }

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

####前言#### 简单。 ####代码部分#### ####总结部分#### 还是那三个字：好简单！ （点个赞吧=））

#include <iostream> using namespace std; int main(){ int a,b,c; cin>>a>>b>>c; if(a+b==c) { cout<<"YES"; } else { cout<<"NO"; } return 0; }

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

#include <iostream> using namespace std; int main(){ int a,b,c; cin>>a>>b>>c; if(a+b==c){ cout<<"YES"; }else cout<<"NO"; return 0; }

#include<iostream> using namespace std; int main(){ int a,b,c; cin>>a>>b>>c; if(a+b==c){ cout<<"YES"; }else{ cout<<"NO"; } return 0; }

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

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

#include <iostream> using namespace std; int main(){ int a,b,c; scanf("%d%d%d",&a,&b,&c); if(a+b==c) printf("YES\n"); else printf("NO\n"); return 0; }