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

using namespace std;

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

void convert_to_char(char sir_array[], string sir){
    strcpy(sir_array, sir.c_str());
}

void citire_date(char sir_array[], char subsir_array[]){
    string subsir, sir;
    fin >> subsir;
    fin >> sir;
    convert_to_char(sir_array, sir);
    convert_to_char(subsir_array, subsir);
}


void strmatch(char sir[], char subsir[]){
    int n_1 = strlen(sir);
    int vec[1000], cnt = 0;
    char *value;
    int new_value = 0;
    for(int i = 0; i < n_1; i++){
        for(int j = new_value; j < n_1; j++){
            value = strstr(sir + new_value, subsir);
            if(value){
                new_value = value - sir;
                vec[cnt] = new_value;
                cnt++;
                new_value += 1;
                break;
            }
        }
        if(cnt == 1000){
            break;
        }
    }
    fout << cnt << "\n";
    for(int i = 0; i < cnt; i++){
        fout << vec[i] << " ";
    }
}

int main() {

    char sir_array[1000000], subsir_array[1000000];
    citire_date(sir_array, subsir_array);
    strmatch(sir_array, subsir_array);

    return 0;
}