#include <iostream>
#include <string>
using namespace std;

string func(int a)
{
    string res;
    while (a>0) {
        res=string(1, a%2 ? 'L' : 'R')+res;
        a=(a-1)/2;
    }
    return res;
}

int main()
{
    int m; cin>>m;
    while (m--) {
        int a; cin>>a;
        cout<<func(a)<<endl;
    }
}