C

#include <bits/stdc++.h>

using namespace std;

#define pb     push_back

int main()
{
    int n;
    string t;

    cin>>n>>t;

    vector<string> s(n);
    for(auto &e: s)   cin>>e;

    vector<int> ans;

    for(int i=0; i<n; i++)
    {
        if(abs((int)t.size() - (int)s[i].size()) > 1)
            continue;

        int ch = 0;

        for(int j=0, k=0; j<s[i].size() && k<t.size(); j++, k++)
        {
            if(s[i][j]==t[k])       continue;

            ch++;

            if(s[i].size() > t.size())      k--;
            else if(s[i].size() < t.size()) j--;
        }

        if(ch == abs((int)t.size() - (int)s[i].size()) ||
        (ch==1 && (int)t.size() == s[i].size()) ||
        (ch==0))
            ans.pb(i+1);
    }

    cout<<ans.size()<<"\n";

    for(auto e: ans)    cout<<e<<" ";
    cout<<"\n";
}