C++ Program to print week day according to number by getting number from user

#include<conio.h>
#include<iostream.h>
main()
{
      int num;
      clrscr();
      cout<<"Enter any number between 1 to 7: ";                            
      cin>>num;
      switch(num)
      {
      case 1:
                   cout<<"Monday";
                   break;
      case 2:
                   cout<<"Tuesday";
                   break;
      case 3:
                   cout<<"Wednesday";
                   break;
      case 4:
                   cout<<"Thursday";
                   break;
      case 5:
                   cout<<"Friday";
                   break;
      case 6:
                   cout<<"Saturday";
                   break;
      case 7:
                   cout<<"Sunday";
                   break;
      default:
                   cout<<"INVALID NUMBER!!! Please enter number between 1 to 7";
      }
      getch();
      }