View Code of Problem 3832

#include<iostream>
using namespace std;
int main()
{
	string s1, s2;
	while (cin >> s1 >> s2)
	{
		if (s1.find(s2) != -1)
			cout << s1.find(s2) << endl;
		else
		{
			cout << "-1" << endl;
		}
	}
	return 0;
}