1long double C = 2;
2long double U = 1;
3long double Y2 = 3;
4long double Y1 = 1;
5long double X, Y, Z, T, R, S;
6main ()
7{
8  X = (C + U) * Y2;
9  Y = C - U - U;
10  Z = C + U + U;
11  T = (C - U) * Y1;
12  X = X - (Z + U);
13  R = Y * Y1;
14  S = Z * Y2;
15  T = T - Y;
16  Y = (U - Y) + R;
17  Z = S - (Z + U + U);
18  R = (Y2 + U) * Y1;
19  Y1 = Y2 * Y1;
20  R = R - Y2;
21  Y1 = Y1 - 0.5L;
22  if (Z != 6)
23    abort ();
24  exit (0);
25}
26