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

public class kadai9 {
public static void main(String[] args) {
ArrayList<String> list = new ArrayList<String>();
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
while (true) {
String line = reader.readLine();
if((line = reader.readLine()).equals("w")) {
break;
System.out.println("ファイル名を入力して下さい");
}
}
String filename = args[0];
try {
PrintWriter writer = new PrintWriter(new BufferedWriter(new FileWriter(filename)));
String line;
while ((line = reader.readLine()) != null) {
writer.println(line);
if("filename".exists()) {
System.out.println("ファイル名："+filename+"は既に存在します。");
}
}
writer.close();
} catch (IOException e) {
System.out.println(e);
}
}
}