for vivek

gistfile1.py

i=0
sum=0
giveup3=0
giveup5=0
lim=1000
while True:
    num3=3*i #generating multiples for processing
    num5=5*i # ^      
    if num3>=lim: # if multiple of 3>limit then stop adding those, and set flag  
        giveup3=1
        num3=0       
    if num5>=lim: # same as ^ but for 5
        giveup5=1
        num5=0
    if giveup3 and giveup5: # if both give up no more chance of finding any more hence stop
        break 
    if num3%5==0: # to handle multiples of 15
        num3=0
    
    sum=sum+num3+num5
    print i,'. sum = ',sum,' num3 = ',num3,' num5 = ',num5,' giveup3 = ',giveup3,' giveup5 = ',giveup5 #log
    i+=1   #counter

print sum