#version 330

in vec3 position_in_eye_space;
in vec3 normal_in_eye_space;

out vec4 color;

uniform vec3 light_in_eye_space;
uniform vec4 Ia, Id, Is;

uniform vec4 ka, kd, ks;
uniform float s;


void main() {
    color = vec4(0,0,0,1);
}