Help me in solving PPSC25 problem

help
,
1

My issue

what is the solution

My code

#include <stdio.h>

int main() {
  int length = 15;
  // Update your code below this line
  length /=3;
  printf("%d" ,length);
  
  
}

Learning course: CSEIPFOIA: Programming and Problem Solving
Problem Link: Assignment Operators Practice Problem in CSEIPFOIA: Programming and Problem Solving - CodeChef