#include<bits/stdc++.h>
using namespace std;
int main(){
    string s,t;
	int a,p1 = 0;
	cin >> s >> t;
	for( int i = 0; i < s.length(); i++)
	{
		a = s.find(t,p1);
		if(a != -1)
		{
			cout << a << endl;
			p1 += 1;
		}
		else
		{
			cout << a;
			return 0;
		}
	}
	return 0;
}

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