#include <bits/stdc++.h>
using namespace std;
char s[2000005], t[2000005];
int i, j, k, v[2000005];
bool ok;
int main()
{
    ifstream f("strmatch.in");
    ofstream g("strmatch.out");
    f.getline(s, sizeof(s));
    f.getline(t, sizeof(t));
    for(i = 0;i < strlen(t) - strlen(s) + 1;i++)
        if(t[i] == s[0])
        {
            ok = true;
            for(j = i + 1;j < i + strlen(s);j++)
                if(t[j] != s[j - i])
                {
                    ok = false;
                    break;
                }
            if(ok == true)v[++k] = i;
        }
    g << k << "\n";
    for(i = 1;i <= k;i++)
        g << v[i] << " ";
    return 0;
}