#include<bits/stdc++.h>
#define int long long
using namespace std;
int t,n;
signed main(){
//	freopen("path.in","r",stdin);
//	freopen("path.out","w",stdout);
	cin>>t;
	while(t--){
		scanf("%lld",&n);
		while(n){
			printf("%c",n%2==0?'R':'L');
			n=(n-1)/2;
		}
		printf("\n");
	}
	return 0;
}