int main ( ) {
  int x;
  int y;
  bool z;
  int output;
  {
    x = 3;
    y = 4;
    z = false;
    if( x < y == !z) {
      int x;
      x = 1;
      output = x;
    } else {
      int x;
      x = -1;
      output = x;
    }
  }
}