#!/bin/python3

import sys

def printShortestPath(n, i_start, j_start, i_end, j_end):
    print('4')
    print("UL UL UL L")

if __name__ == "__main__":
    n = int(input().strip())
    i_start, j_start, i_end, j_end = input().strip().split(' ')
    i_start, j_start, i_end, j_end = [int(i_start), int(j_start), int(i_end), int(j_end)]
    printShortestPath(n, i_start, j_start, i_end, j_end)