C program to read display add and subtract two complex numbers

#include <stdio.h>
#include <conio.h>
int main()
{
typedef struct complex
{
 int real;
 int imag;
	 }COMPLEX;
	 COMPLEX c1, c2, sum_c, sub_c;
int option;
	 clrscr();
do
{
	 	 printf("\n ******** MAIN MENU *********");
	 	 printf("\n 1. Read the complex numbers");
	 	 printf("\n 2. Display the complex numbers");
	 	 printf("\n 3. Add the complex numbers");
	 	 printf("\n 4. Subtract the complex numbers");
	 	 printf("\n 5. EXIT");
	 	 printf("\n Enter your option : ");
	 	 scanf("%d", &option);
	 	 switch(option)
 {
	 	 case 1:
	 	 	 	 printf("\n Enter the real and imaginary parts of the 	 	
	 	 	 	 first complex number : ");
	 	 	 	 scanf("%d %d", &c1.real, &c1.imag);
	 	 	 	 printf("\n Enter the real and imaginary parts of the 	 	
	 	 	 	 second complex number : ");
	 	 	 	 scanf("%d %d", &c2.real, &c2.imag);
	 	 	 	 break;
	 	 case 2:
	 	 	 	 printf("\n The first complex number is : %d+%di", 	 	
	 	 	 	 c1.real,c1.imag);
	 	 	 	 printf("\n The second complex number is : %d+%di", 	 	
	 	 	 	 c2.real,c2.imag);
	 	 	 break;
	 	 case 3:
 sum_c.real = c1.real + c2.real;
 sum_c.imag = c1.imag + c2.imag;
	 	 	 	 printf("\n The sum of two complex numbers is : 	
%d+%di",sum_c.real, sum_c.imag);
	 	 	 	 break;
	 	 case 4:
 sub_c.real = c1.real – c2.real;
 sub_c.imag = c1.imag – c2.imag;
	 	 	 	 printf("\n The difference between two complex numbers 		
	 	 	 	 is :%d+%di", sub_c.real, sub_c.imag);
	 	 	 	 break;
 }
	 }while(option != 5);
	 getch();
	 return 0;
}

******** MAIN MENU *********
1. Read the complex numbers
2. Display the complex numbers
3. Add the complex numbers
4. Subtract the complex numbers
5. EXIT
Enter your option : 1
Enter the real and imaginary parts of the first complex number : 2 3
Enter the real and imaginary parts of the second complex number : 4 5
Enter your option : 2
The first complex numbers is : 2+3i
The second complex numbers is : 4+5i
Enter your option : 3
The sum of two complex numbers is : 6+8i
Enter your option : 5