import java.util.regex.Pattern;
import java.util.regex.Matcher;

public class Length
{

    public static int lengthFunc(char s1[])
    {
        Matcher m = Pattern.compile("$").matcher(String.valueOf(s1));
        m.find();
        int size = m.end();
        return size;
    }

    public static void main(String[] args) {
        char s1[] = {5,1,0,4,2,3};
        System.out.println(lengthFunc(s1));
    }

}