n=input("Enter a Number ")
s=0
for i in range(1,n+1):
	s=s+i
print "Sum is ",s


a96827a33f96b0c4c0e73df6daa73930726c31e7
n=input("Enter a Number ")
s=0
for i in range(1,n+1):
	s=s+i
print "Sum is ",s

