package main

import (
	"bufio"
	"fmt"
	"math"
	"os"
	"strconv"
	"strings"
)

const MaxInt = math.MaxInt64

var scanner *bufio.Scanner

func main() {
	var s, t string
	fmt.Scanln(&s)
	fmt.Scanln(&t)
	ans := 0
	if len(t) == 1 {
		if strings.Index(s, t) != -1 {
			ans = -1
		}
		fmt.Println(ans)
		return
	}
	for idx := strings.Index(s, t); idx != -1; idx = strings.Index(s, t) {
		ans++
		s = s[idx+len(t)-1:]
	}
	fmt.Println(ans)
}

func init() {
	scanner = bufio.NewScanner(os.Stdin)
	scanner.Buffer([]byte{}, MaxInt)
	scanner.Split(bufio.ScanWords)
}

func Int() int {
	scanner.Scan()
	ret, _ := strconv.ParseInt(scanner.Text(), 10, 0)
	return int(ret)
}

func Ints(n int) []int {
	ret := make([]int, n)
	for i := 0; i < n; i++ {
		ret[i] = Int()
	}
	return ret
}

func Max(a, b int) int {
	if a < b {
		return b
	}
	return a
}

func Min(a, b int) int {
	if a < b {
		return a
	}
	return b
}