#include <bits/stdc++.h>
using namespace std;

ifstream fin("strmatch.in");
ofstream fout("strmatch.out");
string pattern,omega;
vector<int> patternStart;
int cnt;

int main()
{
    fin>>pattern>>omega;
    if(pattern.size()>omega.size())
    {
        fout<<0;
        return 0;
    }
    for(int i=0;i<=omega.size()-pattern.size();i+=1)
    {
        bool ok=1;
        for(int j=0;j<pattern.size()&&ok;j+=1)
            if(omega[i+j]!=pattern[j])
                ok=0;
        if(ok)
        {
            cnt+=1;
            patternStart.push_back(i);
        }
    }
    fout<<cnt<<'\n';
    for(auto i:patternStart)fout<<i<<' ';
    return 0;
}