Sum of numbers up to zero

Java Easy loops

Task «Sum of numbers up to zero»

Write a program that reads integers from the keyboard. The program should sum all entered numbers until the number 0 is entered. After entering zero, the program should output the resulting sum. It is guaranteed that at least one number will be entered before zero.

Input Format

Integers, each on a new line. The last number entered is 0.

Output Format

One integer — the sum of all entered numbers, excluding zero.

Examples

Example 1

INPUT

-2
4
-6
0

OUTPUT

-4

Example 2

INPUT

OUTPUT

75

main.java