n = int(input())
li1 = ['@','@','@','@','@']
for i in range(n):
for j in range(5):
for k in range(n):
print(li1[j], end='')
print()
li2 = ['@', ' ',' ',' ','@']
for i in range(n):
for j in range(5):
for k in range(n):
print(li2[j], end='')
print()
li3 = ['@', ' ',' ',' ','@']
for i in range(n):
for j in range(5):
for k in range(n):
print(li3[j], end='')
print()
li4 = ['@', ' ',' ',' ','@']
for i in range(n):
for j in range(5):
for k in range(n):
print(li4[j], end='')
print()
li5 = ['@','@','@','@','@']
for i in range(n):
for j in range(5):
for k in range(n):
print(li5[j], end='')
print()
2023-03-30