import java.io.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.util.Scanner;


public class Rectangles {
	
	public static void main(String args[]) throws Exception
	{
		Scanner sc = new Scanner(new FileReader("DATA2.txt"));
		PrintWriter pw = new PrintWriter(new FileWriter("OUT2.txt"));
		
		for(int i=0; i<5; i++){
			
			int numSquares = Integer.parseInt(sc.nextLine());
			pw.println(solve(numSquares));
		}
		sc.close();
		pw.close();
	}
	
	public static int solve(int num){
		
		if(num == 1){
			return 1;
		}
		
		else{
			
			if(((num%2) == 0) && num != 2){
				return solve(num-1)+2;
			}
			
			else{
				
				return solve(num-1)+1;
			}
		}
				
	}

}