Help me in solving PPSC27 problem

My issue

Example pls

My code

#include <stdio.h>

int main() {
  int height = 15;
  // Update the '_' in the code below to solve the problem
  printf("%d", _______ _ _ __ _______ _ __);    
  return 0;
}

Learning course: Programming and Problem solving using C
Problem Link: https://www.codechef.com/learn/course/ciet-programming-c/CIETPC08/problems/PPSC27