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 Rust (1.15.1) (judge verdict: Accepted)

use std::io;
use std::str::FromStr;  

fn main() {
    let ns: Vec<i32> = reads();
    let k = ns[1];
    let hs: Vec<i32> = reads();

    let ok = hs.iter().filter(|&x| *x >= k);
    println!("{}", ok.count());
}

#[allow(dead_code)]
fn getline() -> String {
    let mut ln = String::new();
    io::stdin().read_line(&mut ln).ok();
    ln.trim().to_string()
}

#[allow(dead_code)]
fn read<T>() -> T where T : FromStr {
    let mut ln = String::new();
    io::stdin().read_line(&mut ln).ok();
    ln.trim().parse().ok().unwrap()
}

#[allow(dead_code)]
fn reads<T>() -> Vec<T> where T : FromStr {
    let mut ln = String::new();
    io::stdin().read_line(&mut ln).ok();
    ln.trim().split_whitespace().map(|x| x.parse().ok().unwrap()).collect()
}