#include <iostream>
using namespace std;

int main () {
    int tp;
    int bnl;
    int bp;
    int a;

    cin >> tp >> bnl >> bp;
    a = tp + bp;

    if (a>bnl) {
        cout << "Ya" << endl;
    } else {
        cout << "Tidak" << endl;
    }

}