#include <string>
#include <vector>
#include <fstream>

using namespace std;

#define ll long long
#define pb push_back
#define mp make_pair

int N;
vector <int> poz;
string A,B;

int main(){
    ifstream f("strmatch.in");
    ofstream g("strmatch.out");
    for(f>>A>>B,size_t ff = string::npos;;){
        ff = B.find(A, ff+1);
        if(ff == string::npos){
            break;
        }
        N++;
        if(N <= 1000){
            poz.pb(ff);
        }
    }
    g<<N<<'\n';
    for(auto it : poz){
        g<<it<<' ';
    }
}