Subtract Of Two Numbers: C Program

#include<stdio.h>
#include<conio.h>
void main()
{
    int a,b,subtract;
    printf("Enter The Value Of a");
    scanf("%d",&a);
    printf("Enter The Value Of b");
    scanf("%d",&b);
subtract=a-b;
    printf("Subtraction Value =%d",subtract);
   getch();