def main():
	print("This program c reates a file of usernames from a file")

	infilename = input("type input file name")
	outfilename = input("type output file name")

	infile = open(infilename, 'r')
	outfile = open(outfilename, 'w')
	total = 0
	for line in infile:
		first, last = line.split()
		total = total + eval(last)
		
	outfile.write("the total is equal to ")
	outfile.write(str(total))

	infile.close()
	outfile.close()

main()