#include <fstream>
#include <cstring>

using namespace std;

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

char s1[2000004],s2[2000004];
    int nr=0,v[2000004],k=1;

int main()
{

    fin>>s1>>s2;
    char c=s1[0];
    char*p=strchr(s2,c);


    while(p)
    {
        //fout<<p<<endl;
        int ok=1;
        for(int i=0;s1[i];i++)
        {
            if(s1[i]!=p[i])
            {
                ok=0;break;
            }
        }
        if(ok==1)
        {
            nr++;
            v[k]=strlen(s2)-strlen(p);
            k++;
        }
        p=strchr(p+1,c);
    }
    k--;
    fout<<nr<<'\n';
    for(int i=1;i<=k;i++)
        fout<<v[i]<<" ";

}