Frequency_of_each_character_just_after_its_consecutive_occurrences

public class Main
{
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        String input = br.readLine();
        int counter = 0;

        for (int i=0; i<input.length(); i++) {
            counter = 1;
            while (i + 1 < input.length() && input.charAt(i) == input.charAt(i + 1)) {
                i++;
                counter++;
            }
            System.out.println(input.charAt(i)+" "+counter);
        }
    }
}