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


int main()
{
	string S, T;
	cin >> S >> T;

	int ans = 0;
	string::size_type pos = 0;
	while( true  ) {
		pos = S.find( T, pos );
		if( pos == string::npos ) break;
		pos += T.size();
		ans++;
	}
	if( T.size() == 1 ) ans = -1;

	cout << ans << endl;
}