HDU 1.1.3 A+B for Input-Output Practice (III)

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本文介绍了一个简单的C语言程序，用于解决多个测试用例中两个整数a和b的加法运算。程序通过循环读取输入直到遇到特定终止条件，并输出每一对整数的和。

Problem 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

#include <stdio.h>  
int main(void)  
{  
int a, b;  
scanf("%d%d", &a, &b);  
while(a != 0 || b != 0)                 
{  
printf("%d\n", a + b);  
scanf("%d%d", &a, &b);  
}  
return 0;  
}