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

using namespace std;

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

int main()
{
    int counter=0;
    vector <size_t> pos;
    string match,pattern;
    f>>match>>pattern;
    size_t last;
    for (last=pattern.find(match);last!=string::npos;++counter,last=pattern.find(match,last+1)){
        if (counter<1000)
            pos.push_back(last);
    }
    t<<counter<<'\n';
    for (auto i:pos)
        t<<i<<" ";
    return 0;
}