9655번

9655

#include <iostream>
using namespace std;

int main() {
	int n;
	int dp[1001];
	cin >> n;
	dp[1] = 1;
	dp[2] = 2;
	for (int i = 3; i <= n; i++) {
		dp[i] = dp[i - 2];
	}
	if (dp[n] % 2 == 1) cout << "SK";
	else cout << "CY";
}