HDU 1.1.2 A+B for Input-Output Practice (II)

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

21 510 20

 

Sample Output

630

#include <stdio.h>  int main()  {   int a,b,n;   scanf("%d",&n);   while (n--)   {    scanf("%d%d",&a,&b);    printf("%d\n",a+b);   }  }