#include<bits/stdc++.h>
#include<bits/stdc++.h>
#define min(a,b) ((a)<(b)?(a):(b))
#define max(a,b) ((a)>(b)?(a):(b))
#define lli long long int
using namespace std;                     
int main()
{
     string s;
     cin>>s;
     int flag=0,count=0;
     for(int i=0; i<=s.length(); i+=2)
     {
            if(s[i]>=97 && s[i]<=122)
            {
                 count++;
            }
     }
     for(int i=1; i<s.length(); i+=2)
     {
          if(s[i]>=65 && s[i]<=90)
          {
               flag++;
          }
     }
    // cout<<count<<" "<<flag<<" "<<s.length()<<endl;
     if(count+flag==s.length())
     {
          cout<<"Yes";
     }
     else
     {
        cout<<"No";
     }
     

    return 0;
}

#include <bits/stdc++.h>
using namespace std;

int main() {
    int N;
    cin >> N;

    if((N * 108) / 100 < 206) cout << "Yay!" << endl;
    else if((N * 108) / 100 == 206) cout << "so-so" << endl;
    else cout << ":(" << endl;
}