#include <fstream>
using namespace std;
ifstream fin("strmatch.in");
ofstream fout("strmatch.out");
const int NMax = 2000000;
int N,Sol[1005];
char A[NMax + 5], B[NMax + 5];
int main()
{
    fin.getline(A,NMax+5);
    fin.getline(B,NMax+5);
    for(int i = 0; B[i]; ++i)
     {
        int Ok = 1;
        for(int j = 0; A[j]; ++j)
        {
            if(B[i+j] != A[j])
                Ok = 0;
        }
        if(Ok)
        {
            N++;
            if(N <= 1000)
                Sol[N] = i;
        }
     }
    fout << N << "\n";
    for(int i = 1; i <= min(N,1000); ++i)
        fout << Sol[i] << " ";
    fout << "\n";
    return 0;
}