1067 -- A+B(4)

A+B(4)

Time Limit:1000MS  Memory Limit:65536K
Total Submit:380 Accepted:292

Description

Your task is to Calculate a + b.

Input

Input contains multiple test cases. Each test case contains a pair of integers a and b, one pair of integers per line. A test case containing 0 0 terminates the input and this test case is not to be processed.

Output

For each pair of input integers a and b you should output the sum of a and b in one line, and with one line of output for each line in input.

Sample Input

1 5
10 20
0 0

Sample Output

6
30

Source

    using System;
    using ;
    using ;
    using ;
    namespace AK1067 {
        class Program {
            static void Main(string[] args) {
                string sb;
                while ((sb = ()) != null) {
                    string[] s = ();
                    int x = (s[0]), y = (s[1]);
                    if (x == 0 && y == 0) break;
                    (x + y);
                }
            }
        }
    }