import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class JavaTest {

public static void main(String[] args) {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.println("Copy and paste the values coding level 2 and press enter:");
    String area = "";
        try {
        area = br.readLine();
        } catch (IOException e) {
        e.printStackTrace();
        }

    String[] strList = area.split(",");
StringBuffer result = new StringBuffer();
        for (int i = 0; i < strList.length; i++) {
        char c = ' ';
        if (!" ".equals(strList[i])) {
        int ord = Integer.parseInt(strList[i]);

        c = (char)(94 - ord + 32 + 32);
        }
        result.append(c);
 }

 System.out.println(result);
 }

}