#include <bits/stdc++.h>
using namespace std;
using ll=long long;
using ld=long double;
ld pie=3.141592653589793;
ll inf=20000000000000;
ll mod=998244353;
int main(){
    ll x;
    cin >> x;
    vector<string>s={"winter","spring","summer","fall"};
    x%=12;
    cout << s[x/3] << endl;
}