#include <iostream>
#include <string>
#include <fstream>
#include <deque>

std::ifstream in("strmatch.in");
std::ofstream out("strmatch.out");

int main()
{
    std::string what;
    std::string where;

    std::deque<int> X;

    in >> what;
    in >> where;

    int howMany = 0;

    std::size_t found = where.find(what);
    while(found != std::string::npos)
    {
        howMany++;
        X.push_back(found);
        found = where.find(what, found+1);
    }
    out<<howMany<<'\n';
    while(!X.empty())
    {
        out<<X.front()<<" ";
        X.pop_front();
    }
}