import java.io.PrintWriter;
import java.io.StringWriter;
public class Main {
public static void main(String args[]) {
try {
throw new Exception("for no reason!");
} catch (Exception e) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
e.printStackTrace(pw);
System.out.println(sw.toString().toUpperCase());
}
}
}