uniform half4 colorGreen, colorRed;

half4 main() {
    float x = 1, y = 2;
    int z = 3;
    x = x - x + y * x * x * (y - x);
    y = x / y / x;
    z = (z / 2 * 3 + 4) - 2;
    bool b = (x > 4) == x < 2 || 2 >= sqrt(2) && y <= x;
    bool c = sqrt(2) > 2;
    bool d = b ^^ !!c;
    bool e = b && c;
    bool f = !!b || c;
    x += 12;
    x -= 12;
    x *= y /= 10;
    x = 6;
    y = float(b) * float(c) * float(d) * float(e) * float(f);
    y = 6;
    z = z - 1;
    z = 6;

    return (x == 6 && y == 6 && z == 6) ? colorGreen : colorRed;
}