# 1 to 10 print

i = 1
while i<=10 :
    print(i)
    i= i+1
print("Program end")

# 0dd num 1 to 100
i = 1
while i<=100 :
    print(i)
    i+=2
print("Program end")

#Sum of n numbers
n = int(input("Enter Last Number: "))
s = 0
i = 1
while i<=n :
    s += i
    i+=1
print(s)

