def find_districts(fileCountry,val):
    """
    Show the city, whose density is smaller than val

    Parameters:
    fileCountry (str): Name of the file
    val (int): compare parameter

    returns:
    boolean: return counter


    """
    fc = open(fileCountry,"r")

    line = fc.readline()
    counter = False

    while line:
        pos = line.find(",")
        density = float(line[pos+1:len(line)-1])
        country = line[:pos]
        if density < val:
            print(country)
            counter = True
        line = fc.readline()
    fc.close()
    return counter