#ifdef LOCAL
#include <local.hpp>
#else
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2")
#include <bits/stdc++.h>
#define debug(...) ((void)0)
#define postprocess(...) ((void)0)
#endif

using namespace std;
using ll = long long;
using ld = long double;

void solve([[maybe_unused]] int test) {
    int X;
    cin >> X;

    string ans = "";

    if (X == 3 || X == 4 || X == 5) ans = "spring";
    if (X == 6 || X == 7 || X == 8) ans = "summer";
    if (X == 9 || X == 10 || X == 11) ans = "fall";
    if (X == 12 || X == 1 || X == 2) ans = "winter";

    cout << ans << endl;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int t = 1;
    // cin >> t;
    for (int i = 1; i <= t; i++) {
        solve(i);
    }

    postprocess();
}