Not seeing the typo

package com.codegym.task.task08.task0828;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.HashMap;
import java.util.List;
import java.util.Set;

/*
Month number

*/

public class Solution {
    public static void main(String[] args) throws IOException {
        //write your code here
       ArrayList<String> calendar = new ArrayList<>();

        calendar.add("January");
        calendar.add("February");
        calendar.add("March");
        calendar.add("April");
        calendar.add("May");
        calendar.add("June");
        calendar.add("July");
        calendar.add("August");
        calendar.add("September");
        calendar.add("October");
        calendar.add("November");
        calendar.add("December");

        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String monthName =  reader.readLine();

        for (int i =0; i< calendar.size();i++){
            if (monthName.equals(calendar.get(i)))
            {
                System.out.println(monthName +" is month " + (i+1));
            }

        }



    }
}