百练 2926 算术运算

# include <stdio.h>
int main()
{
	long int a,b;
	char c;
	while(scanf("%ld %c %ld",&a,&c,&b)!=EOF)
	{
	if(c=='+')
		printf("%ld\n",a+b);
	else
		printf("%ld\n",a-b);
	}
	return 0;
}