#!/usr/bin/env python3
import sys

lines=sys.stdin.read().split("\n")[:-1]
p=5
for l in lines:
	for c in l:
		if c=="U": p=p-3 if p>=4 else p
		elif c=="R": p=p+1 if p%3!=0 else p
		elif c=="D": p=p+3 if p<=6 else p
		elif c=="L": p=p-1 if p%3!=1 else p
		else: assert False
	print(p,end="")
print()