package com.telerikacademy.oop;


import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner reader = new Scanner(System.in);

        System.out.println(changePi(reader.nextLine()));

    }

    public static String changePi(String n){
        StringBuffer stringBuffer = new StringBuffer(n);
        if(n.length() <=1){
            return "";
        }

        if(String.valueOf(n.charAt(0)).equals("p")&& String.valueOf(n.charAt(1)).equals("i")){
            stringBuffer.insert(2,"3.14");
            n = String.valueOf(stringBuffer);
            //n = n.replace("pi","3.14");
            return changePi(n.substring(4));
        } else {
            return changePi(n.substring(1));
        }
    }
}