#include <fstream>
#include <cstring>

using namespace std;
ifstream f ("strmatch.in");
ofstream g ("strmatch.out");
long i,nr=0,v[1001],p;
char x[2000001],y[2000001];
int nailed (long ind)
{   for (int j=0;j<strlen(x);j++)
    if (x[j]!=y[ind+j])return 0;
    return 1;
}
int main()
{   f>>x>>y;
    for (i=0;i<strlen(y);i++)
    {if (nailed(i)==1)
    {nr++;if (nr<=1000){p++;v[p]=i;}else break;}}
    g<<nr<<'\n';
    for (i=1;i<=p;i++)g<<v[i]<<' ';
    return 0;
}