#include <fstream>
#include <cstring>
#define DM 2000005
using namespace std;

char s1 [DM], s2 [DM];
int answ [1005];

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

    int i, j, ans = 0, n1 = 0, n2 = 0;
    bool OK;

    f >> s1 >> s2;

    n1 = strlen (s1);
    n2 = strlen (s2);

    for (i = 0; i <= n2 - n1; ++ i)
    {
        OK = 1;
        for (j = 0; j < n1 && OK; ++ j)
        {
            if (s1 [j] != s2 [i + j]) OK = 0;
        }
        if (OK)
        {
            if (ans < 1000)
            {
                answ [ans] = i;
            }
            ans ++;
        }
    }

    g << ans << "\n";
    for (i = 0; i < ans && i < 1000; ++ i)
        g << answ [i] << " ";

}