//自1582年10月15日过后的日期都可以根据下面的代码算出是星期几
#include <iostream>
using namespace std;
int main() {
    int year, month, day;
    cout << "请用数字输出年、月、日，并使用空格隔开：" << endl;
    while (cin >> year >> month >> day) {
        if (month < 3) {
            year -= 1;
            month += 12;
        }
        char week[7][10] = {"Sunday",   "Monday", "Tuesday", "Wednesday",
                            "Thursday", "Friday", "Saturday"};
        int c = int(year / 100), y = year - 100 * c;
        int w = int(c / 4) - 2 * c + y + int(y / 4) + (26 * (month + 1) / 10) +
                day - 1;
        w = (w % 7 + 7) % 7; //将可能出现的负数取余
        cout << week[w] << endl;
    }
    return 0;
}