/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st = new StringTokenizer(br.readLine());
		int G = Integer.parseInt(st.nextToken());
		int E = Integer.parseInt(st.nextToken());
		System.out.println(3*G+E);
	}
}

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MyAwIDA=

3 0 0