n,ch=input().strip().split()
n=int(n)
if ch=='D':
for i in range(n):
for j in range(n):
print("/\\",end='')
print()
for j in range(n):
print("\/",end='')
print()
elif ch=='X':
for i in range(n):
for j in range(n):
print("\/",end='')
print()
for j in range(n):
print("/\\",end='')
print()
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