def main():
    s = input()
    t = input()
    n = len(s)
    m = len(t)
    assert(1 <= n <= 1000)
    assert(1 <= m <= 1000)
    assert(all(i.islower() for i in s))
    assert(all(i.islower() for i in t))
    if len(t) == 1:
        return -1 if t in s else 0
    i = m
    while i <= n:
        if s[i-m:i] == t:
            ans += 1
            i += m - 1
        else:
            i += 1
    return ans

if __name__ == '__main__':
    print(main())