#include "impstrings.h"
#define unless(cond) if (!(cond))
void TOPLEV(void)
{
  double LR1;
  int I;
  int I1 = 1;
  int I2 = 2;
  int I3 = 3;

  if (I2 == I3) I = I1;
  else I = I2;
}