#include<bits/stdc++.h>
using namespace std;
int main(){
    string s,a;
    getline(cin,s);
    getline(cin,a);
    int i,s1=s.size(),s2=a.size(),p=s.find(a);
    if(p==-1){
        cout<<-1;
    }else{
        cout<<p+1<<endl;
        while(1){
            p=s.find(a.substr(0,s2),p+1);
            if(p==-1){
                break;
            }
            cout<<p+1<<endl;
        }
    }
    return 0;
}
/**************************************************************
	Problem: 1591
	User: fzy001
	Language: C++
	Result: Accepted
	Time:23 ms
	Memory:2076 kb
****************************************************************/