


#   3rd question 
 #  12 se 421 takkk k sare no. ka sum print kre.


# akshra=12
# sum=0
# while akshra<=421:
#     sum=sum+akshra
#     print(s)
#     akshra=akshra+1


#   4th question   

#  30 se 420 se vo no. print kro jo 8 se devied ho


# var=30
# while var<=420:
#     if var%8==0:
#         print(var)
#     var+=1


# var1=1
# sum=0
# while var1<=11:
#     n=int(input("enter no."))
#     if n%5==0:
#         n=n+var1
#     print(n)
#     var1=var1+1




#     6TH QUESTION 

# 



#   7TH ,AND , 8TH QUESTION 

#  GUESSING GAME BNAAOOOO








# var1=int(input("enter the no."))
# var2=int(input("enter no."))
# while var1!=0:
#     num=var1*var2
#     print(num)
#     num=num+1
    



n = 6
s = 0
i = 1

while i <= n:
    s = s + i
    i = i + 1

print (s)
