#include<bits/stdc++.h>
using namespace std;

int main(){
	string fu,zi;
	getline(cin,fu);
	getline(cin,zi);
	int p=fu.find(zi);
	if(p==-1) {
		cout<<-1;
	}else{
		while(1){
	p=fu.find(zi,p+1);
	 if(p==-1) break;
	 cout<<p+1<<endl;
		
	}
		
	}
	
}

/**************************************************************
	Problem: 1591
	User: wuzhijing
	Language: C++
	Result: Wrong Answer
****************************************************************/