#include<bits/stdc++.h>
#define REP(i,n) for(int i=0,i##_len=int(n);i<i##_len;++i)
#define rep(i,a,b) for(int i=int(a);i<int(b);++i)
#define All(x) (x).begin(),(x).end()
#define rAll(x) (x).rbegin(),(x).rend()
using namespace std;
using ll = long long;

int main(){
    int x;cin>>x;
    string s[4] = {
        "winter",
        "spring",
        "summer",
        "fall",
    };
    cout << s[(x%12)/3] << endl;
}