Regex_Pattern = r'^[0-9][0-9\S][a-zA-Z]{3,}+[.]{0,3}$'	# Do not delete 'r'.

import java.io.*;
import java.util.*;
import java.util.regex.Pattern;
import java.util.regex.Matcher;
public class Solution {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        Pattern pattern = Pattern.compile("^\\d{1,2}[A-Za-z]{3,}\\.{0,3}$");
        Matcher matcher = pattern.matcher(scanner.nextLine());
        boolean found = matcher.find();
        System.out.println(found);
    }
}

Regex_Pattern = r'^\d{1,2}[A-Za-z]{3,}\.{,3}$'	# Do not delete 'r'.

import re

^\d\d?[A-z]{3,}\.{,3}$

Regex_Pattern = /^\d{1,2}[A-z]{3,}[.]{0,3}$/;