URI 1149:: SOLUTION

URI Online Judge | 1149

Summing Consecutive Integers

Write an algorithm to read a value A and a value N. Print the sum of N numbers from A (inclusive). While N is negative or ZERO, a new N (only N) must be read. All input values are in the same line.

Input

The input contains only integer values, ​​can be positive or negative.

Output

The output contains only an integer value.

Input Sample	Output Sample
3 2	7

3 -1 0 -2 2

7

[WAIT]

     First of all, think yourself that you have tried enough for the problem. If you did not please read the program once. REMEMBER one thing, just believe in yourself.....YOU CAN.....YOU KNOW....

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