Virtual contest is a way to take part in past contest, as close as possible to participation on time. It is supported only ACM-ICPC mode for virtual contests.
If you've seen these problems, a virtual contest is not for you - solve these problems in the archive.
If you just want to solve some problem from a contest, a virtual contest is not for you - solve this problem in the archive.
Never use someone else's code, read the tutorials or communicate with other person during a virtual contest.

No tag edit access

B. New Year Present

time limit per test

1 secondmemory limit per test

256 megabytesinput

standard inputoutput

standard outputThe New Year is coming! That's why many people today are busy preparing New Year presents. Vasily the Programmer is no exception.

Vasily knows that the best present is (no, it's not a contest) money. He's put *n* empty wallets from left to right in a row and decided how much money to put in what wallet. Vasily decided to put *a*_{i} coins to the *i*-th wallet from the left.

Vasily is a very busy man, so the money are sorted into the bags by his robot. Initially, the robot stands by the leftmost wallet in the row. The robot can follow instructions of three types: go to the wallet that is to the left of the current one (if such wallet exists), go to the wallet that is to the right of the current one (if such wallet exists), put a coin to the current wallet. Due to some technical malfunctions the robot cannot follow two "put a coin" instructions in a row.

Vasily doesn't want to wait for long, so he wants to write a program for the robot that contains at most 10^{6} operations (not necessarily minimum in length) the robot can use to put coins into the wallets. Help him.

Input

The first line contains integer *n* (2 ≤ *n* ≤ 300) — the number of wallets. The next line contains *n* integers *a*_{1}, *a*_{2}, ..., *a*_{n} (0 ≤ *a*_{i} ≤ 300).

It is guaranteed that at least one *a*_{i} is positive.

Output

Print the sequence that consists of *k* (1 ≤ *k* ≤ 10^{6}) characters, each of them equals: "L", "R" or "P". Each character of the sequence is an instruction to the robot. Character "L" orders to move to the left, character "R" orders to move to the right, character "P" orders the robot to put a coin in the wallet. The robot is not allowed to go beyond the wallet line. In other words, you cannot give instructions "L" if the robot is at wallet 1, or "R" at wallet *n*.

As a result of the performed operations, the *i*-th wallet from the left must contain exactly *a*_{i} coins. If there are multiple answers, you can print any of them.

Examples

Input

2

1 2

Output

PRPLRP

Input

4

0 2 0 2

Output

RPRRPLLPLRRRP

Codeforces (c) Copyright 2010-2017 Mike Mirzayanov

The only programming contests Web 2.0 platform

Server time: Aug/23/2017 05:21:28 (c2).

Desktop version, switch to mobile version.

User lists

Name |
---|