text: #include<stdio.h>
  int* op()
  {	
  	int *c,p;
  	p=-5000000;
  	c=&p;
  	
  	int a,b;
  	char flush[2];
  	printf("Enter Two Numbers a and b\n");
  	scanf("%d%d",&a,&b);
  	gets(flush);
  	char ch;
  	printf("Enter The Operation You Want To Perform\n");
  	scanf("%c",&ch);
  	switch(ch)
  	{
  		case '+':*c=a+b;
  			 return c;
  		case '-':*c=a-b;
  			return c;
  		case '*':*c=a*b;
  			return  c;
  		case '%':*c=a%b;
  			return c;
  		default:
  		printf("Operation Does Not Exist\n");
  			return c;
  	}
  	
  }
  int main()
  {
  	int *p=op();
  	printf("Ans Is:- %d\n",*p);
  	return 0;
  }
  