# Program to compute the sum of the first n numbers
# Matt Bishop, Apr. 2, 2009
# for ECS 10 Spring 2009
def main():
# initialize variables
total = 0;
# read how high we are to count
n = input("Please enter a number:");
# loop over the first n numbers,
# adding them as we go
for i in range(n+1):
total = total + i;
# print out the total
print "The total of the first", n, "numbers is", total;
main()