#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
  #define _GLIBCXX_DEBUG
#else
  #define Debug(...) void(0)
#endif
using ll = long long;
#define rep(i, n) for (int i = 0; i < (n); ++i)

int main() {
  int x;
  cin >> x;
  if (3 <= x && x <= 5)
    cout << "spring" << endl;
  else if (6 <= x && x <= 8)
    cout << "summer" << endl;
  else if (9 <= x && x <= 11)
    cout << "fall" << endl;
  else
    cout << "winter" << endl;
  return 0;
}