import java.util.* ;

public class soln1
{
   public static void main( String args[] )
   {

     char ch1 = ' ' ;
	 System.out.println( "Enter a single character: " ) ;
	 Scanner scanner = new Scanner(System.in);
     ch1  =  scanner.next().charAt(0) ;
      //user msut enter
      //'Y','y', 'N' or 'n'
     while ( ch1 != 'Y' && ch1 != 'y' &&
            ch1 != 'N' && ch1 != 'n'   )
       {
         System.out.println(  "Enter a single character: " ) ;
         ch1  =  scanner.next().charAt(0) ;
       }
     System.out.println(  "The character entered was:" + ch1 )  ;

   } //public static void main( String args[] )


}