#include <bits/stdc++.h>
using namespace std;
//10
int arr[100001];
int dp[100001];
int main() {
    long long n;
    cin>>n;
    for (int i=0;i<n;i++) {
        cin>>arr[i];
        dp[i]=i+arr[i];
    }
    for (int i=0;i<n;i++) {
        for (int j=0;j<n;j++) {
            dp[i]=dp[dp[j]];
            if (dp[i]>n||dp[i]<1) break;
        }
        if (dp[i]>n) cout<<'R'<<endl;
        else if (dp[i]<1) cout<<'L'<<endl;
        else cout<<'U'<<endl;
 
    }
    return 0;
}
 

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MTAKLTUKMgowCjUKNQotMQo2Ci0xCi0xCi01

10
-5
2
0
5
5
-1
6
-1
-1
-5