n = int(input())

def fst(n):
    print('-' * 2 * n, end='')
    print()
def second(n):
    for i in range(n-2,0,-1):
        print('-', end='')
        for j in range(n - 1):
            print('\\/', end='')
        print('-', end='')
        print('')
fst(n)
second(n)
fst(n)