def getData ():
    airQuality = int (input ("Enter air quality: "))
    while airQuality < 0 or airQuality > 100:
        print ("Error")
        airQuality = int (input ("Try again: "))
    return airQuality


def graph (qual10, qual11, qual12, qual1, qual2):

    print ("Daily Air Pollution Comparison")    
    print ("Time")
    
    print ("10  ", end="")
    for i in range ((qual10+5)//10):
        print ("*   ", end="")
    print()
    print ("11  ", end="")
    for i in range ((qual11+5)//10):
        print ("*   ", end="")
    print()
    print ("12  ", end="")
    for i in range ((qual12+5)//10):
        print ("*   ", end="")
    print()
    print (" 1  ", end="")
    for i in range ((qual1+5)//10):
        print ("*   ", end="")
    print()
    print (" 2  ", end="")
    for i in range ((qual2+5)//10):
        print ("*   ", end="")
    print()

    print ("-----------------------------------------")
    print ("   10  20  30  40  50  60  70  80  90 100")    
    

def main ():
    print ("At time 10am - ", end="")
    air10 = getData()
    air11 = getData()
    air12 = getData()
    air1  = getData()
    air2  = getData()
    
    graph (air10, air11, air12, air1, air2)
    
main()