#include <fstream>
#include <string>
using namespace std;
ifstream in("strmatch.in");
ofstream out("strmatch.out");
string s, p;
int found,v[100001],k=0;
int main()
{
    in>>p>>s;

    while(found<=s.size())
    {
        found=s.find(p,found+1);
        v[k++]=found;
    }
    out<<k-1<<'\n';
    for(int i=0;i<k-1;i++)
        out<<v[i]<<' ';
    return 0;
}