#include <iostream>
#include <string.h>
#include <fstream>

using namespace std;

int main()
{
   char *p;
    ifstream f("strmatch.in");
    ofstream g("strmatch.out");
   char c[2000000];

 f>>c;
 int m;
 m=strlen(c);
 char b[m+5];
 strcpy(b,c);
  f>>c;
 int n;
 n=strlen(c);
 char a[n+3];
 strcpy(a,c);
 int pot[1001];
 int i;
 i=0;


pot[-1]=-1;

   while(strstr(a,b)!=NULL){
   p=strstr(a,b);

   pot[i]=p-a+pot[i-1]+1;
   i++;
if(i==1000)break;

   strcpy(a,p+1);
   }
  g<<i<<endl;
   for(int j=0;j<i;j++)g<< pot[j]<<" ";

}