for i in range(len(input()) - 1):print("x",end="")
print("x") for i in range(len(input()) - 1):print("x",end="") i range(len(input()) - 1) range len(input()) - 1 len(input()) len input() input 1 print("x") print "x"
for i in range(len(input()) - 1):print("x",end="")
print("x")