import java.io.*;

public class teht7 {
	
public static void main (String [] args) throws IOException {
	
	int i;
    char [] merkit; 
    BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));

	   System.out.print("Anna yksi merkki > ");
       merkit= stdin.readLine().toCharArray();
   	
   	tallenna(merkit);
}

public static void tallenna(char [] merkit) throws IOException {
				
	BufferedWriter out;
	
	out = new BufferedWriter(new FileWriter("merkkitaulukko.txt", true));
	System.out.println("tiedosto avattu.");

	out.write (merkit);
		
	out.close();
	System.out.println("tiedosto suljettu");
	
	}
}