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
2
1 5
10 20

Sample Output
6
30

代码：
#include<stdio.h>
int main()
{
int i;
scanf("%d",&i);
int a,b;
while(i–)
{
scanf("%d %d",&a,&b);
printf("%d\n",a+b);
}
return 0;
}