[백준 9655번 / C++ / Silver V] 돌 게임

#include <iostream>
#include <string>
using namespace std; 

int main() {
	cin.tie(0);
	ios_base::sync_with_stdio(0);
	int n;
	cin >> n; 

	int change = 0; 
	while (1) {
		change++; 
		if (n == 3) {
			break; 
		}
		n--; 
	}
	if (change % 2 == 1) {
		cout << "SK"; 
	}
	else {
		cout << "CY"; 
	}
}