#include <fstream>
using namespace std;
ifstream f("strmatch.in");
ofstream g("strmatch.out");
string A,B;
size_t k,n,oo=string::npos,sol[1010];
int main()
{
    for(f>>A>>B,n=oo;;){n=B.find(A,n+1);if(n==oo)break;k++;if(k<=1000)sol[k]=n;}
    for(g<<k<<'\n',n=1;n<=k;n++)g<<sol[n]<<' ';
    return 0;
}