#include<bits/stdc++.h>
using namespace std;
int main(){
	string s1,s2;
	getline(cin,s1);
	getline(cin,s2);
	int p=-1;
	p=s1.find(s2);
	if(p==-1) cout<<-1;
	else{
        while(p!=-1){
		cout<<p+1<<endl;
		p=s1.find(s2,p+1);
	}		
	}
	
	

	return 0;
}

/**************************************************************
	Problem: 1591
	User: zhuanghaoxiang
	Language: C++
	Result: Accepted
	Time:20 ms
	Memory:2076 kb
****************************************************************/