문제
풀이
#include <iostream>
using namespace std;
void solve(void) {
int a, b, c; char op;
cin >> a >> op >> b >> op >> c;
cout << (a + b == c ? "YES" : "NO");
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}