HDOJ-1000 A + B Problem

http://acm.hdu.edu.cn/showproblem.php?pid=1000

# include <stdio.h>

int main()
{
	__int64 a, b;

	while(scanf("%I64d %I64d",&a, &b) != EOF)
		printf("%I64d\n",a + b);

	return 0;
}