import java.util.Scanner;

public class Main
{
    public static void main(String[] args)
    {
        System.out.print("Insert binary sequence: ");

        Scanner sc = new Scanner(System.in);
        String sseq = sc.nextLine();

        char[] cseq = sseq.toCharArray();
        int iseq;

        int count = 1, max = 1, temp = 2, type = 2;
        for(int i = 0; i < sseq.length(); i++)
        {
            iseq = Integer.parseInt(String.valueOf(cseq[i]));
            if(iseq == temp)
            {
                count++;
            }
            else
            {
                count = 1;
            }
            temp = iseq;
            if(count >= max)
            {
                max = count;
                type = iseq;
            }
        }

        System.out.println(type +"s have the biggest sequest. Length:  " +max);
    }
}