'''
Created on Oct 18, 2010

@author: ola
'''
def isPerfect(num):
    sum = 0
    for div in range(1,num):
        if num % div == 0:
            sum += div
    
    #return sum == num
    if sum == num:
        return True
    else:
        return False

def perYearGPA(gpafile,year):
    gpas = []
    for line in gpafile:
        
        parts = line.split(",")
        if parts[1] == year:
            gpas.append(parts[2])
            
    return 1.0*sum(gpas)/len(gpas)

def combine(phrase):
    word = ""
    
    for w in phrase:
        part = w[:firstVowelIndex(w)+2]
        word = word + part
    
    return word

print isPerfect(496)
print isPerfect(497)