import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); String[] split = in.nextLine().split("[a-z]+"); int len = 0; for (String s : split) { if (s.isEmpty()) continue; if (s.length() > len) len = s.length(); } for (String s : split) { if (s.isEmpty()) continue; if (s.length() == len) System.out.print(s); } System.out.printf(",%d", len); in.close(); } }