#include <bits/stdc++.h>
#define REP(i, n) for (int i = 0; i < (int)(n); i++)
using ll = long long;
using namespace std;
string S[] = {"spring", "summer", "fall", "winter"};
int main() {
  int N;
  cin >> N;
  N -= 3;
  cout << S[(N + 24) % 12 / 3] << endl;
}