apppp

/*
*App
*Samuel Berkat Hulu
*Version 5.0 ETS Struktur Data
*
*/
import java.io.*;

class App
{
    public static void main(String[] args) throws IOException
    {
        String input, output;
        while(true)
        {
            System.out.print("Enter infix: ");
            System.out.flush();
            input = getString();
            if( input.equals("") )
                break;

            Ifikstopostfiks theTrans = new Ifikstopostfiks(input);
            output = theTrans.doTrans();
            System.out.println("Postfix is " + output + '\n');
        }
    }
    //--------------------------------------------------------------
    public static String getString() throws IOException
    {
        InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(isr);
        String s = br.readLine();
        return s;
    }
    //--------------------------------------------------------------
}