def task4(m: int, n: int) -> str:
    """
    Functions which accepts a two numbers as int and generates a string with their concatination (e.g.  3,4 -> 34)

    Input: two integers
    Output: string
    """
    m_str = str(m)
    n_str = str(n)
    mn_str = m_str + n_str
    return mn_str