#include <bits/stdc++.h> 
using namespace std;

#ifdef LOCAL
#define eprintf(...) fprintf(stderr, __VA_ARGS__)
#else
#define eprintf(...) 42
#endif

#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define repi(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define all(x) (x).begin(),(x).end()
#define foreach(u,v) for(auto (u) : (v))
#define pb push_back
#define mp make_pair
#define mt make_tuple

typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<ll, ll> pll;
typedef vector<ll> vl;

const int inf = 1e9;
const ll linf = 1LL<<60;
const ll mod = 1e9 + 7;
const double eps = 1e-9;

/*{
}*/

string ans[4100];

void dfs(int x, string s)
{
  if(x > 4096) return ;

  ans[x] = s;  
  dfs(2*x+1, s+"L");
  dfs(2*x+2, s+"R");
}

int main()
{
  dfs(0, ""); 

  int m;
  cin >> m;
  
  vi a(m);
  rep(i, m){
    cin >> a[i];
    cout << ans[a[i]] << endl;
  }

  
  

  return 0;
}