#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <tr1/functional>
using namespace std;


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


    vector<long long> a;

    string n,m; long long v,t=0,x=0,r;
    f>>m;f>>n;
    tr1 ::hash<string> hsh;
    long long q=hsh(m);v=m.length();r=n.length();
    for (long long i=0;i<r-v;i++){
        if (q==hsh(n.substr(i,v))){
            for (long long j=0;j<v;j++){

                if (m[j]==n[i+j]) ++t;
                if (t==v) {a.push_back(i);t=0;++x;}
            }
        }

}
g<<x<<'\n';
for (long long i=0;i<x;i++){
    g<<a[i]<<' ';
}
    return 0;
}