Shared code

import java.util.*;

public class Repetitions {

	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		String str = s.nextLine();
		int max = 1;
		int cur = 1;
		char p = str.charAt(0);
		for (int i = 1; i < str.length(); i++) {
			char c = str.charAt(i);
			if (c == p) {
				cur++;
				max = Math.max(max, cur);
			}
			else {
				cur = 1;
			}
			p = c;
		}
		System.out.println(max);
	}

}