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