#include<bits/stdc++.h>
using namespace std;
int main(){
    string a,b;
    getline(cin,a);
    getline(cin,b);
    int p=-1;
    p=a.find(b,0);
    if(p==-1){
    	cout<<-1;
    else{
    	while(p!=-1){
    		cout<<p+1<<endl;
    		p=s.find(t,p+1);
    	}
    }
    }
}
/**************************************************************
	Problem: 1591
	User: fuyijun
	Language: C++
	Result: Compile Error
****************************************************************/