/*Best searching substrings method in c++*/
#include <iostream>
#include <fstream>
#include <string>
#include <algorithm>

using namespace std;

ifstream fin  ("strmatch.in");
ofstream fout ("strmatch.out");

string pattern,text;

int main ()
{
    getline (fin,pattern);
    getline (fin,text);
    int n = 0,i = text.find(pattern),position[2000005];
    while (i >= 0)
    {
        position[++n] = i;
        i = text.find(pattern,i+1);
    }
    fout << n << endl;
    for (int i = 1; i <=min(n,1000);i++)
        fout << position[i] <<  ' ';
    return 0;
}