//REST IN THE END NOT IN THE MIDDLE
//CODE STARTS FROM HERE.
#include <bits/stdc++.h>
using namespace std;
int main(){ 
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int n;
    cin>>n;
    if(floor(1.08*n)<206){
        cout<<"Yay!";
    }
    if(floor(1.08*n)==206){
        cout<<"so-so";
    }
    if(floor(1.08*n) > 206){
        cout<<":(";
    } 
return 0;
}
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N=2e6+10;
const double eps = 0.01;
inline ll read()
{
    ll x=0,f=1;char ch=getchar();
    while (!isdigit(ch)){if (ch=='-') f=-1;ch=getchar();}
    while (isdigit(ch)){x=x*10+ch-48;ch=getchar();}
    return x*f;
}
inline ll pt(ll ans,ll f){
    printf("%lld",ans);
    if(f==1) putchar(' ');
    else putchar('\n');
}
ll n,k,m,tot;
ll a[N],c[N],vis[N];
int main()
{
//    freopen("../in.in","r",stdin);
    ll _;
    char ch[10];
    for(int i=0;i<3;i++){
        ch[i]=getchar();
    }
    putchar(ch[1]);
    putchar(ch[2]);
    putchar(ch[0]);
    putchar('\n');
    return 0;
}