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

using namespace std;

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

int main()
{
    string p,s;

    f >> p >> s;

    vector <size_t> v;
    int ans = 0;

    for(size_t pos = s.find(p,0); pos < s.size(); pos = s.find(p,pos+1))
    {
        ++ ans;
        if(ans <= 1000)
            v.push_back(pos);
    }

    o << ans << "\n";
    for(auto i: v)
        o << i << " ";

    return 0;
}