/*
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*/
#include<bits/stdc++.h>
using namespace std;
//#define int long long
//#define eps 1e-9
//#define ENF 1e13
const int N=1e4;
const int mod=1e9+7;
inline int read()
{
   int x=0,f=1;char ch=getchar();
   while (ch<'0'||ch>'9'){if (ch=='-') f=-1;ch=getchar();}
   while (ch>='0'&&ch<='9'){x=(x<<3)+(x<<1)+ch-48;ch=getchar();}
   return x*f;
}
void write(int x)
{
   if(x<0)putchar('-'),x=-x;
   if(x<10)putchar(x+'0');
   else write(x/10),putchar(x%10+'0');
}
int c[N];
int f[N];
int son[N][2];
void dfs(int u,int fa){
	if(u>4094)return;
	f[u]=fa;
	son[u][0]=u*2+1;
	son[u][1]=u*2+2;
	dfs(son[u][0],u);
	dfs(son[u][1],u);
}
signed main(){
//	freopen("path.in","r",stdin);
//	freopen("path.out","w",stdout);
	dfs(0,0);
	int m=read();
	while(m--){
		int a=read();
		int now=a;
		string s;
		while(now!=0){
			int nnow=f[now];
			if(son[nnow][0]==now) s+="L";
			else s+="R";
			now=nnow;
		}
		reverse(s.begin(),s.end());
		cout<<s<<"\n";
	} 
   return 0;
}
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