input_string = "lol num 024, and 20942 when 4.4 points5 lo6lo"

found_numbers = []
buffer_string = ''
for char in input_string:
    if char.isdigit():
        if char != '0' or buffer_string:
            buffer_string += char
    else:
        if buffer_string:
            found_numbers.append(int(buffer_string))
            buffer_string = ''

print(found_numbers)