source_code: import java.io. *;
  import java.util. *;
   
  public class Main  {
  	
  	
  	
      void solve(Scanner in, PrintWriter out) {
          out.println(25);
          
      }
      void run() {
          Locale.setDefault(Locale.US);
          try (
                  Scanner in = new Scanner(System.in);
                  PrintWriter out = new PrintWriter(System.out);
          )
          {
              solve(in, out);
          }
           
      }
       
      public static void main(String args[]) {
       
          new Main().run();
      }
  }