C Program using switch statement

#include
#include
void main()
{
int a;
clrscr();
printf("Enter any no. between 1&3");
scanf("%d",&a);
switch(a)
{
case 1:printf("One");
break;
case 2:printf("Two");
break;
case 3:printf("Three");
break;
default:printf("Invalid case");
}
getch();
}