#include <iostream>
#include <fstream>
using namespace std;
ifstream f("strmatch.in");
ofstream g("strmatch.out");

int main(void){
	string s1,s2;
	int v[2000],pos,n=-1,i;
	f>>s1>>s2;
	while(pos>-1){
		pos=s2.find(s1);
		v[++n]=pos;
		s2[pos]='-';
	}
	g<<n<<"\n";
	for(i=0;i<n;i++){
		g<<v[i]<<" ";
	}
	f.close();
	g.close();
}