#include <iostream> using namespace std; int main() { int N = 0; cin >> N; while (N--) { int monthall[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; int year, month, day, n; cin >> year >> month >> day >> n; day += n; if (day > 59 && (year %...