Problem:
Score : 200 points

Problem Statement

N friends of Takahashi has come to a theme park.

To ride the most popular roller coaster in the park, you must be at least K centimeters tall.

The i-th friend is h_i centimeters tall.

How many of the Takahashi's friends can ride the roller coaster?

Constraints

1 \le N \le 10^5

1 \le K \le 500

1 \le h_i \le 500

All values in input are integers.

Input

Input is given from Standard Input in the following format:

N K
h_1 h_2 \ldots h_N

Output

Print the number of people among the Takahashi's friends who can ride the roller coaster.

Sample Input 1

4 150
150 140 100 200

Sample Output 1

2

Two of them can ride the roller coaster: the first and fourth friends.

Sample Input 2

1 500
499

Sample Output 2

0

Sample Input 3

5 1
100 200 300 400 500

Sample Output 3

5

Solution in Go (1.6) (judge verdict: Accepted)

package main

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

var reader = bufio.NewReaderSize(os.Stdin, 1000000)

func readLine() []string {
	buf := make([]byte, 0, 1000000)
	for {
		line, prefix, err := reader.ReadLine()
		if err != nil {
			fmt.Printf("%s", err)
		}
		buf = append(buf, line...)
		if prefix == false {
			break
		}
	}
	s := string(buf)
	return strings.Split(s, " ")
}

func toints(s []string) []int {
	var ints []int
	for _, v := range s {
		int, _ := strconv.Atoi(v)
		ints = append(ints, int)
	}
	return ints
}

func main() {
	var k int
	var h []int

	a := toints(readLine())
	k = a[1]
	h = toints(readLine())

	numberOfRiders := 0
	for _, height := range h {
		if height >= k {
			numberOfRiders++
		}
	}

	fmt.Println(numberOfRiders)
}