#include <fstream>
#define NMax 2000000
#include <vector>
using namespace std;
ifstream fin("strmatch.in");
ofstream fout("strmatch.out");
int N,M;
char A[NMax],B[NMax];
vector <int> Sol;
int main()
{
    int i,j,ok;
    fin>>A;
    fin>>B;
    for(i=0;A[i];i++)
        {
            ok=1;
            for(j=0;B[j];j++)
                if(A[i]!=B[j])
                    ok=0;
            if(ok==1)
                Sol.push_back(i);
        }
    fout<<Sol.size()<<"\n";
    for(unsigned int i=0;i<Sol.size();i++)
        fout<<Sol[i]<<" ";
    fout<<"\n";
    return 0;
}