Help me in solving CPPFALL117 problem

My issue

problem

My code

// Remove the __ and complete the code
#include <bits/stdc++.h>
using namespace std;

int main() {

  int num;
  cout << num;
  cout << num << "4 x 1 = " << num * 1 << endl;
  cout << num << " 4x 2 = " << num * 2 << endl;
  cout << num << "4 x 3 = " << num * 3 << endl;
  cout << num << " 4x 4 = " << num * 4 << endl;
  cout << num << " 4x 5 = " << num * 5 << endl;
  cout << num << " 4x 6 = " << num * 6 << endl;
  cout << num << "4 x 7 = " << num * 7 << endl;
  cout << num << "4 x 8 = " << num * 8  << endl;
  cout << num << " 4x 9 = " << num * 9  << endl;
  cout << num << " 4x 10 = " << num* 10 << endl;
}

Learning course: Learn Programming and Problem Solving using C++
Problem Link: https://www.codechef.com/learn/course/sit-cpp-fall/SITFALL20/problems/CPPFALL117