题解 | #游戏海报#

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
 
/**
 * @ClassName Main
 * @Description
 * @Author fucheng.guo
 * @Since 2022-2-18 10:50
 */
public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
        int length = bf.readLine().length();
        System.out.println((length + 1) * 26 - length); 
    }
}