ABC115A - Christmas Eve Eve Eve
#include <iostream> using namespace std; #define REP(i, n) for (int i = 0; i < (n); ++i) int main(void) { int d; cin.tie(0); ios::sync_with_stdio(false); cin >> d; cout << "Christmas"; REP(i, 25 - d) { cout << " Eve"; } cout << "\n"; return 0; }