#!/usr/bin/java --source 11

import java.time.Instant;
import java.time.temporal.ChronoUnit;

public final class string
{
  public static void main(String[] args)
  {
		StringBuffer sb = new StringBuffer();
		String s;
		int i;
		String c;
		int j;

		for (i = 1; i <= 1000000; i++)
		{
			for (j = 65; j <= 90; j++)
			{
				c = Character.toString(j);
				sb.append(".(");
				sb.append(c);
				sb.append(")");
			}
		}

		s = sb.toString();
		System.out.println(s.length());
	}
}