from random import choice


def main() -> None:
    SIZE = 64
    ALPHABET = (
        "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
        "0123456789!@#$%^&*()[]{},."
    )

    out = ''
    for _ in range(SIZE):
        out += choice(ALPHABET)
    print(out)


if __name__ == '__main__':
    main()