print("Hello!") #Prints hello
number=int(input("Please enter a number: ")) #lets you input a number
total=number


while number!=-1: #loops around when number is not equal to -1
    number=int(input("Please enter a number: ")) #lets you input number
    total=total+number #Adds the count to the number that has been given
           
print("The total is {0}".format(total))          
print("Goodbye")