#include <iostream>
#include <cstring>

using namespace std;

int main()
{
    char a[256], b[21],*p;
    cin>>b;
    cin>>a;
    int n=0,v[1000];
    p=strstr(a,b);
    while(p!=NULL)
    {
        v[n]=p-a;
        n++;
        p=strstr(p+1,b);

    }

    cout << n<<endl;
    for(int i=0;i<n;i++)
        cout<< v[i]<<" ";

    return 0;
}