package com.javarush.task.task19.task1910;
import java.io.*;
import java.util.ArrayList;
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String s1 = reader.readLine();
String s2 = reader.readLine();
reader.close();
BufferedReader reader1 = new BufferedReader(new FileReader(s1));
BufferedWriter writer = new BufferedWriter(new FileWriter(s2));
String st ="";
String st1="";
while (reader1.ready()) {
st = st + reader1.read();
}
//st1 = st.replaceAll("\\p{Punct}", "");
st1= st.replaceAll("[^\\n\\da-zA-Z\\s]", "");
for (int i= 0;i<st1.length();i++){
char c = st1.charAt(i);
writer.write(c);}
reader1.close();
writer.close();
}
}
