#include <bits/stdc++.h>

using namespace std;
using llint = long long;
#define rep(a,n) for(int i=a;i<(n);++i)

int main() {
	int N;
	cin >> N;
	int judge = N * 1.08;
	if(judge > 206){
		cout << ":(" << endl;
	}else if(judge == 206){
		cout << "so-so" << endl;
	}else{
		cout << "Yay!" << endl;
	}
}
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define vll vector<long long>
#define ll long long
#define pii pair<int,int>
const ll mod=1e9+7;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
#ifndef ONLINE_JUDGE
    freopen("inputf.txt","r",stdin);
    freopen("outputf.txt","w",stdout);
#endif
    
    string s;
    cin>>s;
    for(int i=1;i<s.size();i++){
        cout<<s[i];
    }
    cout<<s[0];
    return 0;
}