http://acm.hdu.edu.cn/showproblem.php?pid=1090

Problem Description
Your task is to Calculate a + b.

Input
Input contains an integer N in the first line, and then N lines follow. Each line consists of a pair of integers a and b, separated by a space, one pair of integers per line.

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

2
1 5
10 20


Sample Output

6
30
 
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 1 #include <iostream>
 2 using namespace std;
 3 int main()
 4 {
 5     int n,a,b;
 6     cin >> n;
 7     for (int i=1;i<=n;i++)
 8     {
 9         cin >> a >> b;
10         cout << a+b << endl;
11     }
12     return 0;
13 }