#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef vector<ll> v;
typedef string str;
typedef double dou;
#define FOR(i,a,b) for(ll i=a;i<b;i++)
#define f0r(i,b) FOR(i,0,b)
#define SORT(a) sort(a.begin(),a.end());
#define llin(a,n) f0r(i,n) {cin>>a[i];}
#define vin(a,n) f0r(i,n) {ll tmp;cin>>tmp;a.push_back(tmp);}
#define douketa(n) cout<<fixed<<setprecision(n);
str ALP="ABCDEFGHIJKLMNOPQRSTUVWXYZ";
str alp="abcdefghijklmnopqrstuvwxyz";
dou pi=3.141592653589793;
int main(){
    ll a=0,b=0,c=0;
    str s,t;
    cin>>s>>t;
    if(s=="watermelon"){
        a=1;
    }else if(s=="beachball"){
        b=-1;
    }else{
        c=1e10;
    }
    if(t=="watermelon"){
        a=1;
    }else if(t=="beachball"){
        b=-1;
    }else{
        c=1e10;
    }
    if(a==0){
        cout<<"watermelon";
    }else if(b==0){
        cout<<"beachball";
    }else{
        cout<<"shrinebell";
    }
}