#include<bits/stdc++.h>
using namespace std;
int main (){
    string s,s1;
    getline(cin,s);
    cin>>s1;
    int p;
    if(p=s.find(s1,p+1)+1==0){
        cout<<-1<<endl;
    }
    while(s.find(s1,p+1)!=-1){
        p=s.find(s1,p+1);
        cout<<p+1<<endl;
    }
    return 0;
}
/**************************************************************
	Problem: 1591
	User: luyanchen
	Language: C++
	Result: Accepted
	Time:14 ms
	Memory:2076 kb
****************************************************************/