#include "bits/stdc++.h"
using namespace std;
#define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i))
#define rep(i,j) FOR(i,0,j)
#define each(x,y) for(auto &(x):(y))
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define debug(x) cout<<#x<<": "<<(x)<<endl
#define smax(x,y) (x)=max((x),(y))
#define smin(x,y) (x)=min((x),(y))
#define MEM(x,y) memset((x),(y),sizeof (x))
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<ll> vll;

int m;
vi A;

void solve(){
    each(a, A){
        string ans;
        while(a){
            if(a % 2 == 1)ans += 'L';
            else ans += 'R';
            a = (a - 1) / 2;
        }
        reverse(all(ans));
        printf("%s\n", ans.c_str());
    }
}

int main(){
    while(cin >> m){
        A.resize(m);
        rep(i, m)cin >> A[i];
        solve();
    }
}