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package com.javarush.task.task19.task1906;
import java.io.*;
import java.util.ArrayList;
import java.util.Scanner;
/*
Четные символы
*/
public class Solution {
public static void main(String[] args) throws IOException{
try(BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
FileReader file1 = new FileReader(br.readLine());
FileWriter file2 = new FileWriter(br.readLine())) {
int i = 1;
while (file1.ready()) {
if (i % 2 == 0) {
file2.write(file1.read());
}
i++;
}
}
}
}