s = gets.chomp
t = gets.chomp
ans = 0
# binding.pry
if t.size == 1
  puts s.include?(t) ? -1 : 0
  exit
end
# binding.pry
i = 0
while i <= (s.size - t.size)
  if s[i] == t[0]
    # binding.pry
    if s[i, t.size] == t
      ans += 1
      i += (t.size - 2)
    end
  end
  i += 1
end
# binding.pry
puts ans