Main

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

class Main {

    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;

            ToPostfix theTrans = new ToPostfix(input);
            output = theTrans.trabslation();
            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;
    }
}