rosetta-code-compiler-forth/tests/input/expr.in

a = 1 + 2 + 3;
x = 2*x + 1;
y = 1 - (x+1)/2;
i = 3 + 2*4;
b = (i && !x) || -3;
c = c % 8 < x*y;
d = c != 0;