// test if: integers are true or false 
#include <iostream>
using namespace std;
int main()
{ double num;  // this will also work with int
  cout<<"Enter number to test:";
  cin>>num;
  if (num)   // 0 is false all other numbers are true
    cout<<num<<" is true\n"; 
  else 
    cout<<num<<" is false\n";
  return 0;
} //main