#include <bits/stdc++.h>
using namespace std;
ifstream fin("strmatch.in");
ofstream fout("strmatch.out");
string a,b;
int poz,i,lg;
vector <int>pozi;
int main()
{
        fin>>a>>b;
        lg=b.size();
        int found,k=0;
        while (found!=std :: string ::npos)
        {
        found=b.find(a);
        if(found!=std :: string ::npos) {
        pozi.push_back(found);



        b[found]='1';k++;}


        }

        fout<<k<<'\n';
        for(int p=0;p<k;p++)
        fout<<pozi[p]<<' ';
    return 0;
}