#include <bits/stdc++.h>
using namespace std;

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

vector <int> rez;
string sir,subsir;
int sol,ult=-1;

int main()
{
    f>>subsir>>sir;
    int n=subsir.size();
    while((ult=sir.find(subsir.c_str(),ult+1,n))!=string::npos)
    {
        ++sol;
        rez.push_back(ult);

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