// Importing dart:io file
import 'dart:io';
 
void main()
{
    // Asking for favourite number
    print("Enter your favourite number:");
 
   // Scanning number
    int? n = int.parse(stdin.readLineSync()!);
   // Here ? and ! are for null safety
 
    // Printing that number
    print("Your favourite number is $n");
}