Help me in solving PPSC26 problem

My issue

how to slove this code

My code

#include <stdio.h>

int main() {
  int height1 = 15;
  int height2 = 13;
  // Update the '_' below to solve the problem
  printf("%d", ); // returns 1 (true) because 15 is not equal to 13
  return 0;
}

Learning course: Complete C language course
Problem Link: Practice Problem in - CodeChef

@vennela_1
U have to replace the _ like this

#include <stdio.h>

int main() {
  int height1 = 15;
  int height2 = 13;
  // solution as follows
  printf("%d", height1 != height2); // returns 1 (true) because 15 is not equal to 13
  return 0;
}