#include <bits/stdc++.h>
using namespace std;
 int main(){
	string s,t;
    getline(cin,s);
    getline(cin,t);
    int p;
    p=s.find(t);
    if(p==-1){
    	cout<<-1;
    }
    else{
    	while(p!=-1){
    		cout<<p+1<<endl;
    		p=s.find(t,p+1);
    	}
    }
    return 0;
}
/**************************************************************
	Problem: 1591
	User: xuanhua
	Language: C++
	Result: Accepted
	Time:19 ms
	Memory:2076 kb
****************************************************************/