S = input()
T = input()
ans = 0
if len(T) == 1:
    ans = -1
else:
    end = 'X'
    S += end
    tmp = S[0:len(T)]
    i = 0
    while tmp[-1] != end:
        if tmp == T:
            S.insert(i+len(T)-1,'.')
            ans += 1
        i += len(T)
print(ans)