#include<bits/stdc++.h>
using namespace std;
int n,a;
int main(){
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a;
        if(a<=10)cout<<"R";
        else if(a<=20)cout<<"L";
        else cout<<a;
        cout<<"\n";
    }
    
    return 0;
}