#include <iostream>
#include <fstream>
#include <string.h>
#include <string>
#define dMAX 2000000

using namespace std;

int c;
string str1, str2;
int found;
int indexes[dMAX + 2];

ifstream fin("strmatch.in");
ofstream fout("strmatch.out");

int main()
{
    int i;
    fin >> str1 >> str2;
    found = str2.find(str1);
    while (found >= 0) {
        indexes[++c] = found;
        found = str2.find(str1, found + 1);
    }
    fout << c << '\n';
    for (i = 1; i <= c; i++) fout << indexes[i] << ' ';
    return 0;
}