C++ 代码
#include<bits/stdc++.h>
using namespace std;
int main(){
long long a,b,c;
while(cin >> a >> b >> c){
int flag = 0;
if(a < b)
swap(a,b);
if(a-b == c)
flag = 1;
if(a+b == c)
flag = 1;
if(a/b == c && a % b == 0)
flag = 1;
if(a*b == c)
flag = 1;
if(flag == 1)
cout << "YES" << "\n";
if(flag == 0)
cout << "NO" << "\n";
}
}