#include <iostream>
using namespace std;
 
int main() {
  int a = 5;
  int b = -13;
 
  cout << "A:" << a << ";  B:" << b << "\n";
 
  //b = a + 0 * (a = b);
  b = a + ((a=b) * 0);
 
  cout << "A:" << a << ";  B:" << b << "\n";
 
  return 0;
}