n = int(input())
k = int(input())


def convert_string(iter, position, string='0'):
    if iter == 1:
        return string[-1]
    newstring = ''
    for i in range(0, len(string)):
        if string[i] == '0':
            newstring += '01'
        else:
            newstring += '10'
    iter -= 1
    print(newstring)
    return convert_string(iter, position, newstring[:position])


print(convert_string(n, k))