import java.util.Scanner;
import java.util.Arrays;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import java.util.HashSet;

class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String  N=sc.next();
    String []hairetu = N.split("");
    int sum=0;
    for (int i=0;i<hairetu.length ;i++ ) {
      if(hairetu[i].equals(".")){
        i++;
      }
      if(hairetu[i].equals("E")){
       break;
      }
      sum=sum+Integer.parseInt(hairetu[i]);
    }
    if(sum%9==0){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }
}
}

/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz