#include<stdio.h>
int calculate(int, int, int*, int*, int*);
main( ) 
{ 
   int num1, num2, add, sub, mul, div;
   printf("Enter two numbers \t");
   scanf("%d %d", &num1, &num2);
   add = calculate(num1, num2, &sub, &mul, &div);
   printf("add = %d, sub = %d, mul = %d, div = %d \n",add,sub,mul,div);     
   system("pause");
}   
int calculate(int a,int b, int *x, int *y, int *z)
{
     //*w = a + b;
     *x = a - b;
     *y = a * b;
     *z = a / b;
     return a+b;
}