#include<fstream>
using namespace std;
char a[2000004],b[2000004],*p;
long long n;
int main()
{
	ifstream f("strmatch.in");ofstream g("strmatch.out");
	f.getline(a,2000004);
	f.getline(b,2000004);
	p=b;
	while(strlen(p))
	{
		p=search(p,p+strlen(p),a,a+strlen(a));
		if(strlen(p))n++;
		p++;
	}
	g<<n<<"\n";
	p=b;
	while(strlen(p))
	{
		p=search(p,p+strlen(p),a,a+strlen(a));
		if(strlen(p)) g<<p-b<<" ";
		p++;
	}
	f.close();g.close();
return 0;}