#include <bits/stdc++.h>
using namespace std;
int main()
{
int n;
cin>>n;
string s1,s2;
cin>>s1;
cin>>s2;
int cntu = 0;
int cnt1 = 0;
int cnt2 = 0;
for(int i = 0;i<2*n;i++)
{
if(s1[i]=='U'&&s2[i]=='U')cntu++;
if(s1[i]=='U'&&s2[i]=='D')cnt1++;
if(s1[i]=='D'&&s2[i]=='U')cnt2++;
}
if(cntu%2==0){
if(cnt1>cnt2)cout<<"clccle trl!"<<endl;
if(cnt1==cnt2||cnt2-cnt1==1)cout<<"orz sarlendy!"<<endl;
if(cnt2-cnt1>1)cout<<"sarlendy tql!"<<endl;
}
if(cntu%2==1){
if(cnt1>cnt2||cnt1==cnt2)cout<<"clccle trl!"<<endl;
if(cnt2-cnt1==1||cnt2-cnt1==2)cout<<"orz sarlendy!"<<endl;
if(cnt2-cnt1>2)cout<<"sarlendy tql!"<<endl;
}
return 0;
}