#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using vll = vector<long long>;
using vvll = vector<vector<long long>>;
using vpll = vector<pair<ll, ll>>;
using vs = vector<string>;
using vb = vector<bool>;
using vvb = vector<vector<bool>>;
using pll = pair<ll, ll>;
#define REP(i, n) for (long long i = 0; i < n; i++)
#define REPIN(v) \
  for (long long i = 0; i < v.size(); i++) cin >> v[i];
#define been(vec) vec.begin(), vec.end();
ll gcd(ll x, ll y) { return (x % y) ? gcd(y, x % y) : y; }
ll lcm(ll x, ll y) { return x / gcd(x, y) * y; }
bool chmin(ll &a, const ll &b) { return (a > b && ((a = b) | 1)); }
bool chmax(ll &a, const ll &b) { return (a < b && ((a = b) | 1)); }

using namespace std;
int main() {
  ll x;
  cin >> x;
  x -= 3;
  if (x < 0) {
    x += 12;
  }
  x /= 3;
  string s[] = {"spring", "summer", "fall", "winter"};
  cout << s[x] << endl;
}