Debugging code

[underoathed]

Okay so I am given code which needs to be fixed. All logic and syntax error need to be fixed. I don't understand where there are logical errors. Can someone look at the code and explain it to me and possibly where the logical errors are?

  /*
 Name: debug1.cpp
 Author: VG
 Date: 09/10/15 11:35
 Description: A simple debugging exercise
*/
#include <iostream>
#include <cstdlib>
#include <string>
using namespace std;

int main()
{
 
 int num1 = 0, num2 = 0;
 bool found = false;
 string str1 = "";
 
 cout << "Enter two integers: ";
 cin >> num1 >> num2;
 cout << endl;
 
 if ((num1 >= num2) && num2 > 0)
 {
  switch (num1 % num2)
  {
   case 1:
    found = (num1/num2) <= 6;
    break;
   case 2: 
    num1 = num2 / 2;
    break;
   default:
    num2 = num1 * num1;
  } //end switch
 }//end if

  if (found)
   str1 = "True" ;
  else 
   str1 = "False" ;
   
  cout << num1 << " " << num2 << " " << str1 << endl;
 
 
 
 system("Pause");
 return 0;
}//end main