#include <iostream>
using namespace std;

int main()
{
   int a, b;

   b = 1;
   cout << ((a = --b) ? b : (b = -99))
        << '\n' << " a is  " << a << '\n'
        << " b is " << b << endl;

   b = 1;
   cout << (a = --b ? b : (b = -99))
        << '\n' << " a is  " << a << '\n'
        << " b is " << b << endl;

   return 0;
}