from math import fabs
desk = [['.'] * 8 for _ in range(8)]
a = 9 - int(input())
b = int(input())
for i in range(1, 9):
for j in range(1, 9):
if(i != b or j != a) and (i == b or j == a) or (abs(i - b) == abs(j - a)):
desk[i - 1][j - 1] = '*'
desk[b - 1][a - 1] = 'Q'
desk = list(zip(*desk))
for x in reversed(desk):
print(' '.join(x))