#include <fstream>
#include <string.h>
#include <iostream>
#include <math.h>
using namespace std;
ifstream in("strmatch.in");
ofstream out("strmatch.out");

char a[2000000],b[2000000];
int x,y;

int caut(int i)
{
    for(int j=1;j<x;i++,j++)
        if(a[j]!=b[i])
            return 0;
    return 1;
}
int main()
{
    in.getline(a,2000000,'\n');
    in.getline(b,2000000,'\n');
    x=strlen(a);
    y=strlen(b);
    int k=0,p=1;
    for(int i=0;i<y;i++)
        if(a[0]==b[i])
        if(caut(i+1))
        {
            p=p*10+i;
            k++;
        }
    out<<k<<"\n";
    int s=pow(10,(k-1));
    while(k)
    {
        k--;
        out<<p%(10*s)/s<<" ";
        s=s/10;
    }
    return 0;
}