#include<iostream>
#include<fstream>
#include<string.h>
using namespace std;
ifstream f("strmatch.in");
ofstream g("strmatch.out");
const int Nmax = 1000;
char A[Nmax], B[Nmax];
int nr, C[Nmax],n,m;
int main()
{
	f>>A>>B;
	f.close();
	nr=0;
	n=strlen(A);
	m=strlen(B)
	for(int j=0;j<m-n;j++)
		for(int i=0;i<n;i++)
			if(B[i+j]==A[i] && B[i+j+1] == A[i+1] && B[i+j+2] == A[i+2])
			{
				C[nr]=j;
				nr++;
			}
	g<<nr<<'\n';
	for(int i=0;i<nr;i++)
		g<<C[i]<<' ';
	g.close();
	return 0;
}