#include "fstream.h"
#include "string.h"
int main()
{char a[2000000],b[2000000],c[2000000];
 long i,j,n,m,s=0,d[2000000],y=0,aux,k;
 ifstream f("strmatch.in");
 ofstream g("strmatch.out");
 f>>a>>b;
 n=strlen(a);
 m=strlen(b);
 for(i=0;i<m;i++)
  {aux=n;j=0;k=i;
   while(aux)
   {c[j]=b[k];
    aux--;j++;k++;}
   if(strcmp(a,c)==0)
     {s++;d[y]=i;y++;}
  }
g<<s;g<<"\n";
if(s>1000)s=1000;
for(i=0;i<s;i++)
g<<d[i]<<" ";
return 0;
}