// #define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
using ll = long long;
#define rep(i,n) for (ll i = 0; i < (n); ++i)
using vl = vector<ll>;
using vvl = vector<vl>;
using P = pair<ll,ll>;
#define pb push_back
#define int long long
#define double long double
#define INF (ll) 3e18
// Ctrl + Shift + B コンパイル
// Ctrl + C 中断
// ./m 実行


signed main(){
  int x; cin >> x;
  if (x == 3 || x == 4 || x == 5) cout << "spring" << endl;
  if (x == 6 || x == 7 || x == 8) cout << "summer" << endl;
  if (x == 9 || x == 10 || x == 11) cout << "fall" << endl;
  if (x == 12 || x == 1 || x == 2) cout << "winter" << endl;
}