S = input()
T = input()

M = len(S)
N = len(T)

if N != 1:
    dot = [0 for _ in range(M)]

    for i in range(M):
        if i + N > M:
            break
        for j in range(N):
            if S[i + j] != T[j]:
                break
            if j != 0 and dot[i + j]:
                break
        else:
            if i + N < M:
                dot[i + N - 1] = 1

    print(sum(dot))

else:
    print(-1)