#include <fstream>
#include <string>

using namespace std;

size_t x, oo=string::npos;
string A,B;
int ans[1001],i;

ifstream fin("strmatch.in");
ofstream fout("strmatch.out");

int main()
{
    fin>>A>>B;
    while( 1 == 1 && 1 < 2 )
    {
        x = B.find( A , x + 1 );
        if( x == oo )
            break;
        if( ans[ 0 ] < 1000 )
            ans[ ++ans[ 0 ] ] = x;
        else
            ++ans[ 0 ];
    }
    fout<<ans[0]<<'\n';
    for( i = 1 ; i <= min( ans[ 0 ] , 1000 ) ; i++ )
        fout<<ans[ i ]<<' ';

return 0;
}