#include<fstream>
#include<cstring>
using namespace std;
ifstream f("strmatch.in");
ofstream g("strmatch.out");
char vers[2000000],k,s[2000000];
int nr,l,p,poz[200000],i;
int main()
{
    f.get(s,2000000);
    f.get();
    f.get(vers,2000000);
    while(strstr(vers,s)!=0)
    {
        p=strstr(vers,s)-vers;
        strcpy(vers+p,vers+p+1);
        nr++;
        poz[k]=p+k;
        k++;
    }
    g<<nr<<"\n";
    for(i=0;i<k;i++)
    g<<poz[i]<<" ";
    return 0;
}