#include <stdio.h>
#include <iostream>
#include <vector>

using namespace std;

using i64 = long long;

#define yn(pope) (pope ? "Yes" : "No")

#define rep(i, n, m) for (int i = (n); i < (m); i++)
#define rrep(i, n, m) for (int i = (n); i > m; i--)

#define IINF (1 << 30)
#define INF (1ll << 60)

#define all(v) v.begin(), v.end()

int main() {
  int N; cin >> N;

  string s[4] = {"spring", "summer", "fall", "winter"};

  cout << s[((N + 9) % 12) / 3] << endl;

  return 0;
}