ARC#005 B - P-CASカードと高橋君 ( This story is a fiction )

P-CASカードと高橋君 ( This story is a fiction )

x,y,W=raw_input().split()
x=int(x);y=int(y)
dx=1 if W[0]=="R" else -1 if W[0]=="L" else 0
dy=1 if W[-1]=="D" else -1 if W[-1]=="U" else 0
c = [raw_input() for i in range(9)]
p = ""
for i in range(4):
    p += c[y-1][x-1]
    x += dx
    y += dy
    if x<=0: x=2; dx=1
    if y<=0: y=2; dy=1
    if x>=10: x=8; dx=-1
    if y>=10: y=8; dy=-1
print p