package ests;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;

public class SeqExtractor {
	
	public static void main(String[] args) throws IOException {
		
		String infile = args[0];
		int seqcount = Integer.parseInt(args[1]);
		
		
		
		// open file
		BufferedReader reader = new BufferedReader(new FileReader(infile));
		
		int seqs=0;
		
		// read line-by-line
		String line;
		while ((line = reader.readLine()) != null) {
			if (line.length() > 0 && line.charAt(0) == '>') {
				seqs++;
				
				if (seqs>seqcount) break;
			}
			System.out.println(line);
		}
		
		reader.close();
		
	}
	

}