#include<bits/stdc++.h>
using namespace std;
int main(){
	int p;
	string a,b;
	getline(cin,a);
	getline(cin,b);
	int n=a.size();
	p=a.find(b);
	if(p==-1){
		cout<<-1;
	}else{
		for(int i=p+1;i<a.size();i++){
			cout<<p+1<<endl;
			p=a.find(b,p+1);
			if(p==-1){
				break;
			}
			
			
		}
	}
	return 0;
}

/**************************************************************
	Problem: 1591
	User: zengyixuan
	Language: C++
	Result: Accepted
	Time:22 ms
	Memory:2076 kb
****************************************************************/