{{{~cpp 


if __name__ == '__main__':
    p = raw_input('패턴 입력: ')
    
    n = input('변의 길이 입력: ')
    
    for i in range(1, n+1, 2):
        print ' '*((n-i)/2), p*i

    for i in range(n-2, 0, -2):
        print ' '*((n-i)/2), p*i


}}}