import java.io.*;
import java.util.*;

class GramsToCarats{
	public static void main (String[] args)throws Exception{
		//1 gram = 5 carats;
		BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
		System.out.print("Enter the Gram:");
		int gram = Integer.parseInt(bf.readLine());
		double carats = gram * 5;
		System.out.println("Carats: " + carats);
	}
}