HDUacm 1000 A + B Problem

Problem Description
    Calculate A + B.
Input
    Each line will contain two integers A and B. Process to end of file.
Output
    For each case, output A + B in one line.
Sample Input
    1 1
Sample Output
    2
 
 
Code:
 1 #include <stdio.h>
 2 main()
 3 {
 4     int A,B;
 5
 6     while(scanf("%d%d",&A,&B)!=EOF)
 7     {
 8         printf("%d\n",A+B);
 9     }
10 }

Tips:
    Process to end of file.  //使用while循環，終止於EOF。
    output A + B in one line.  //printf需輸出"/n"。