ABC091A - Two Coins

問題：A - Two Coins

#include <iostream>
using namespace std;

int main(void) {
    int a, b, c;

    cin.tie(0);
    ios::sync_with_stdio(false);
    cin >> a >> b >> c;
    cout << ((a + b) >= c? "Yes" : "No") << "\n";
    return 0;
}