s = list(input())
t = list(input())
n,m = len(s), len(t)

if m == 1:
    if t[0] in s:
        print(-1)
    else:
        print(0)
    exit()

if m > n:
    print(0)
    exit()

s += ["0"]*1001
ans = 0
i = 0
while i < n:
    if s[i:i+m] == t:
        ans += 1
        i += m-1
    else:
        i += 1

print(ans)