'''Display a sum problems with a function.
Handle keyboard input separately.
'''

def sumProblem(x, y):
    sum = x + y
    print('The sum of ', x, ' and ', y, ' is ', sum, '.', sep='')

def main():
    sumProblem(2, 3)
    sumProblem(1234567890123, 535790269358)
    a = int(input("Enter an integer: "))
    b = int(input("Enter another integer: "))
    sumProblem(a, b)

main()