H

 

Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u

 

Description

Your task is to Calculate a + b. 

 

Input

The input will consist of a series of pairs 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, and followed by a blank line. 

 

Sample Input

1 5

10 20

 

Sample Output

6

 

30

 

注意格式要求！

 

#include<stdio.h>
int main()
{
    int b,a;
   while(scanf("%d %d",&a,&b)!=EOF)
   {
      printf("%d

",a+b);
   }
    return 0;
}