#include <iostream>
#include <fstream>
#include <cstring>
#define LMAX   2000001
using namespace std;

char a[LMAX], b[LMAX];

int main()
{
  ifstream in("strmatch.in");
  ofstream fout("strmatch.out");
  in.getline(a ,LMAX);
  in.getline(b, LMAX);
  int counter = 0, v[1000];
  for(int i = 0; i<strlen(b); i++)
  {
    bool ok = true;
    int adder = 0;
    for(int j = 0; j<strlen(a) && ok; j++)
      if(a[j] == b[i + adder])
          adder++;
      else
        ok = false;
    if(ok)
        v[counter++] = i;
  }
  fout << counter << endl;
  for(int i = 0; i<counter; i++)
    fout << v[i] <<" ";
  return 0;
}