import sys
readline=sys.stdin.readline
write=sys.stdout.write
from math import gcd as GCD
import math

N,M=map(int,readline().split())
ans_lst=[[1]*(N+1) for i in range(N+1)]
x,y=N,0
ans_lst[x][y]=0
for s in readline().rstrip():
    if s=="R":
        y+=1
    elif s=="L":
        y-=1
    elif s=="U":
        x-=1
    else:
        x+=1
    ans_lst[x][y]=0
for ans in ans_lst:
    print(*ans)