#include<fstream>
#include<string>

using namespace std;
const int maxn = 2000005;
string s, t;
int a[maxn];

main(){
	ifstream fin("strmatch.in");
	ofstream fout("strmatch.out");
	
	fin>>t>>s;
	int k = 0;
	
	for(int i=0;i<s.size();i++){
		if(s[i]==t[0]){
			bool ok = true;
			for(int j=1;j<t.size();j++)
			 if(t[j]!=s[i+j]){
			 	ok=false; break;
			 }
			if(ok)a[k++]=i; 
		}
	}
	
	fout<<k<<"\n";
	if(k>1001)k=1001;
	for(int j=0;j<k;j++)fout<<a[j]<<" ";
	
	
}