c#include <bits/stdc++.h> using namespace std; int dp[1001]; int main() { cin.tie(NULL); cout.tie(NULL); ios_base::sync_with_stdio(false); int N; cin >> N; dp[1] = 1; dp[2] = 2; for(int i = 3; i <= N; i++){ dp[i] = min(dp[i - 1] + 1, dp[i - 3] + 3); } cout << (dp[N] % 2 ? "SK" : "CY") << "\n"; return 0; }