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
    t += s
    N = len(t)
    z = [0] * N
    i = 1
    j = 0
    while i < N:
        while i + j < N and t[j] == t[i + j]:
            j += 1
        z[i] = j
        if not j:
            i += 1
            continue
        k = 1
        while i + k < N and k + z[k] < j:
            z[i + k] = z[k]
            k += 1
        i += k;
        j -= k;
    ans = 0
    i = m
    while i <= n:
        if z[i] >= m:
            ans += 1
            i += m - 1
        else:
            i += 1
    return ans

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