#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>

void main (void)
{
        while(1) // infinite loop
        {
                int a, b;
                printf("Give me an integer a: ");
                scanf("%d",&a);
                printf("Give me an integer b: ");
                scanf("%d",&b);
                        sum = &a + &b;
                        product = &a * &b;
                        difference = &a - &b;
                        echo Here is your sum, product, and difference:
                        printf("Sum: %d + d% = %d.n", a, b, sum);
                        printf("Product: %d * d% = %d.n", a, b, product);
                        printf("Difference: %d - d% = %d.n", a, b, difference);
                return 0;
        }
}