#include <fstream>
#define MAX_MATCHES 1000
using namespace std;

int POSITIONS[MAX_MATCHES];

int main()
{
	ifstream ifs("strmatch.in");
	ofstream ofs("strmatch.out");
	
	string A, B; 
	ifs >> A >> B;
	
	int n_matches = 0;
	int i = 0;
	while (i < (B.length() - A.length()))
	{
		int j = 0;
		while (j < A.length() && A[j] == B[i+j]) ++j;
		
		if (j == A.length()) 
		{
			if (n_matches < MAX_MATCHES)
				POSITIONS[n_matches++] = i;
		} 

		++i;
	}
	
	ofs << n_matches << "\n";
	for (int i = 0; i < n_matches; ++i)
		ofs << POSITIONS[i] << " ";

	return 0;
}