int fun1(int x, int y)
{
  int z = x + y;
  int rval = 0;

  if (x < y) {
    rval = z;
  }

  return rval;
}

int fun2(int x, int y)
{
  int z = x + y;
  int rval;

  if (x < y) {
    rval = z;
  } else {
    rval = -z;
  }

  return rval;
}

int fun3(int x, int y)
{
  int z = x + y;
  int rval = 0;
  int i;

  for (i = -5; i < z; i += 2) {
    rval += i;
  }

  return rval;
}

int fun4(int x, int y)
{
  int z = x + y;
  int rval = 0;

  while (z > x) {
    rval += y;
    z--;
  }

  return rval;
}