#include<stdio.h>
int main()
{
	char s[1003], t[1003];
	scanf("%s%s", s, t);
	int i, n, m;
	for (n = 0; s[n] != '\0'; n++);
	for (m = 0; t[m] != '\0'; m++);
	int cnt = 0;
	if (m == 1)
	{
		for (i = 0; i < n; i++)
			if (s[i] == t[0])
				cnt++;
		if (cnt > 0)
			printf("-1\n");
		else
			printf("0\n");
		return 0;
	}
	int ans = 0;
	char ss[2003];
	int l = 0, j;
	for (i = 0; i < n; i++)
	{
		ss[l] = s[i];
		l++;
		if (m <= l)
		{
			cnt = 0;
			for (j = l - m; j < l; j++)
				if (ss[j] != t[j - l + m])
					cnt++;
			if (cnt == 0)
			{
				ans++;
				ss[l] = ss[l - 1];
				ss[l - 1] = '.';
				l++;
			}
		}
	}
	printf("%d\n", ans);
	return 0;
}