#include <fstream>
#include <string>
#include <vector>

using namespace std;

ifstream f("strmatch.in");
ofstream g("strmatch.out");

string a,b;
vector<long> rez;
long i;
long poz;

int main()
{
    f>>a>>b;

    poz=b.find(a,poz+1);
    while(poz!=string::npos && rez.size()<=1000)
    {
        rez.push_back(poz);
        poz=b.find(a,poz+1);
    }

    g<<rez.size()<<"\n";
    for(i=0;i<rez.size()&&i<=1000;i++)
        g<<rez[i]<<" ";
    return 0;
}