#include <fstream>
#include <string>

using namespace std;

ifstream f("strmatch.in");
ofstream g("strmatch.out");

int i, l, rez;
int v[1009];
string A, B;

int main(){
    getline(f, A);
    getline(f, B);
    l = B.size();
    for (i = 0; i < l; i++){
        if (B.find(A, i) >= 0 && B.find(A, i) < l){
            rez++;
            if (rez <= 1000)
                v[rez] = B.find(A, i);
            i = B.find(A, i);
        }
    }
    g << rez << "\n";
    for (i = 1; i <= rez; i++)
        g << v[i] << " ";

    return 0;
}