//#include <iostream>
#include <bits/stdc++.h>
using namespace std;
ifstream in("strmatch.in");
ofstream out("strmatch.out");
const int Max=2000005;
char a[Max],b[Max],*p;
vector < int >poz;
int nr,j;
int main()
{
   in>>a>>b;
   for(int i=0;i<strlen(b);i++)
    if(b[i]==a[0])
   {
       bool ok=1; int c=1;
       for(j=i+1;j<strlen(b) && c<strlen(a) && ok;j++)
         if(b[j]!=a[c++])
           ok=0;
         if(ok==1 && c!=strlen(a))
           ok=0;
         if(ok==1)
         {
            nr++;
            if(nr<=1000)
                poz.push_back(i);
         }

   }
   out<<nr<<"\n";
   for(int i=0;i<poz.size();i++)
    out<<poz[i]<<" ";
    return 0;
}