#include<bits/stdc++.h>
 using namespace std;
#define INF 1000000000
#define REP(i,n) for(int (i)=0;(i)<(int)(n);(i)++)

int A[4095];

int main(){
    int n;
    cin>>n;
    REP(i,n){
        cin>>A[i];
    }
    REP(i,n){
        int num=0;
        vector<string> s;
        while(A[i]!=0){
              num++;
              if(A[i]%2==0){
                   s.push_back("R");
              }else{
                   s.push_back("L");
              }
              A[i]--;
              A[i]/=2;
        }
        REP(j,num){
        cout<<s[num-1-j];
        }
        cout<<endl;
    }
}