import java.util.*;
class Fascinating{
    private int m, n, frequency;
    private static int digits[];
    private String output;
    public Fascinating(int m, int n){
        this.m=m;
        this.n=n;
        frequency=0;
        process();
    }
    private void process(){
        output="";
        for( int i=m; i<=n; i++){
            if(isFascinating(i)){
                frequency++;
                output += i+ " ";
            }
        }
        output=output.trim();
    }
    private static boolean isFascinating(int num){
        digits = new int[9];
        boolean status = inspectDigits(num) && inspectDigits(num*2) && inspectDigits(num*3);
        if(status==false) return false;
        for( int count: digits){
            if(count!=1) return false;
        }
        return true;
    }
    private static boolean inspectDigits(int product){
        int digit;
        for( int temp=product;temp>0; temp/=10){
            digit=temp%10;
            if(digit>0){
                if(digits[digit-1]==1) return false;
                digits[digit-1]=1;
            }
        }
        return true;
    }
    public int getFrequency(){
        return frequency;
    }
    public String toString(){
        String header = "THE FASCINATING NUMBERS ARE:\n";
        if(output=="") return header+"NIL";
        else return header+output;
    }
}
class ISC2021Q1{
    public static void main(String[] args) {
        Scanner in = new Scanner( System.in );
        System.out.print("INPUT:\tm = ");
        int m = in.nextInt();
        System.out.print("\tn = ");
        int n = in.nextInt();
        if(m>n || m<=99 || n<=99 || m>=10000 || n>=10000){
            System.out.println("OUTPUT:\tInvalid Range");
        }else{
            Fascinating obj = new Fascinating(m,n);
            System.out.println("OUPUT:\t"+obj);
            System.out.println("THE FREQUENCY OF FASCINATING NUMBER IS: "+obj.getFrequency());
        }
        in.close();
    }
}