X보다 작은 수.java

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.StringTokenizer;

public class Main {
	
	public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
		StringTokenizer st = new StringTokenizer(br.readLine());
		
		int N = Integer.parseInt(st.nextToken());
		int X = Integer.parseInt(st.nextToken());
		
		st = new StringTokenizer(br.readLine());
		for (int i = 0; i < N; i++) {
			int now = Integer.parseInt(st.nextToken());
			if(now < X)
				bw.write(now + " "); //.write(int) -> int는 char타입 숫자코드 의미, string로 바꿔주기

		}
		bw.close();		
		}
		
}