void main()
{
float4 c0 = Sample();
float red = 0.0;
float green = 0.0;
float blue = 0.0;
float avg = (c0.r + c0.g + c0.b) / 3.0;
red = c0.r + (c0.g / 2.0) + (c0.b / 3.0);
green = c0.r / 3.0;
SetOutput(float4(red, green, blue, 1.0));
}