n,m=map(int,input().split())
xy=[[1]*(n+1) for _ in range(n+1)]
y,x=n,0
xy[y][x]=0
d={i:j for i,j in zip('UDRL',[(-1,0),(1,0),(0,1),(0,-1)])}
for i in input():
    ty,tx=d[i]
    y+=ty;x+=tx
    xy[y][x]=0
[print(*i) for i in xy]