import java.util.*;
import java.lang.*;
import java.io.*;

// The main method must be in a class named "Main".
class Main {
    public static void main(String[] args) {
     
     Scanner sc = new Scanner (System.in);
        System.out.println("Word replacer in paragraph");
     
        System.out.println("Please write or paste your paragraph here");
        String para = sc.nextLine();
     
        System.out.println("which word you want to replace ");
        String word =sc.nextLine();
     
        System.out.println(word+" replace to ___ plz write");
        String replace = sc.nextLine();
     
        String done = para.replace(word,replace);
 
        System.out.println(done);
 
 
 
 
 
 
    }
}