def simple_compression(string):
    """ Simple way to compress string. """
    symbol = ''
    compressed_string = ''
    n = 1
    for cha in string:
        if cha == symbol:
            n += 1
        else:
            if n > 1:
                compressed_string += str(n)
            compressed_string += cha
            symbol = cha
            n = 1
    return compressed_string
