#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define all(v) v.begin(), v.end()
#define inf (long long)2e+18
int main() {
  int x; cin >> x;
  x%=12;
  if(x < 3) cout << "winter" << endl;
  else if(x < 6) cout << "summer" << endl;
  else if(x < 9) cout << "fall" << endl;
  else if(x < 12) cout << "winter" << endl;
}