#include <iostream>
#include <vector>
#include <string>
#include <cstring>
#include <math.h>
#include <cmath>
#include <limits.h>
#include <map>
#include <set>
#include <queue>
#include <algorithm>
#include <functional>
#include <stdio.h>
using namespace std;

long long MOD = 1000000007;

int main() {
    
    int m;
    cin >> m;
    
    vector<string> ans;
    
    for ( int i = 0; i < m; i++ ) {
        int A;
        cin >> A;
        
        string S;
        while (A) {
            S += A%2 ? 'L' : 'R';
            A = A%2 ? (A-1)/2 : (A-2)/2;
        }
        reverse( S.begin(), S.end() );
        ans.push_back(S);
    }
    
    for ( auto& a : ans ) { 
        cout << a << endl;
    }
    
    return 0;
}