using System;

public class Program

{

    public static void Main()

    {

        char [] c = new char [10];

        for (int i= 0; i<c.Length ; i++){

            c[i] = char.Parse(Console.ReadLine());

        }

        foreach (char a in c){

        for (char i ='a'; i< 'c'; i++){

            int sum =0;

            if (a== i){

            sum++;

            }

            else if (sum == 3){

                Console.WriteLine("yes");

            }

            else {

                Console.WriteLine("no");

            }

        }

        }

    }

}