#include <cstdio>
#include <cstring>
#define MAXL 200010
#define MAXN 1000

int	main() {
	char A[MAXL];
	char B[MAXL];
	int	match[MAXN];
	int a, b, N;
	int s, i;

	freopen("strmatch.in", "r", stdin);
	freopen("strmatch.out", "w", stdout);

	scanf("%s %s", &A, &B);

	a = strlen(A);
	b = strlen(B);
	N = 0;
	for (s = 0; s < b - a + 1; ++s) {
		for (i = 0; i < a; ++i) {
			if (A[i] != B[s + i])
				break;
		}
		if (i == a) {
			match[N++] = s;
		}
	}

	printf("%d\n", N);
	for (i = 0; i < N; ++i) {
		printf("%d ", match[i]);
	}
	printf("\n");

	return 0;
}