import java.io.*;
import java.util.Scanner;
public class string {
    public static void main(String args[]) throws IOException
    {
        Scanner sc = new Scanner(System.in);
        BufferedReader bufferedreader = new BufferedReader(new InputStreamReader(System.in));
        String each;
        int m=0,l=0,e=0;
        int num = sc.nextInt();
        for(int i=0;i<num;i++)
        {
            each = bufferedreader.readLine();
            if(each.charAt(0)=='M')
            {
                m++;
            }
            else if(each.charAt(0)=='L')
            {
                l++;
            }
            else if(each.charAt(0)=='E')
            {
                e++;
            }
        }
        if((m>=l) && (m>=e))
            System.out.println("Macaroni Penguin");
        if((l>=m) && (l>=e))
            System.out.println("Little Penguin");
        if((e>=m) && (e>=l))
            System.out.println("Emperor Penguin");

    }

Same question, maybe related with BufferedReader.
Several times faced with this problem, any idea?