#version 310 es
precision mediump float;

layout(location = 0) out vec4 FragColor;
layout(location = 0) in vec4 vIn;
layout(location = 1) flat in ivec4 vIn1;

void main()
{
	FragColor = +(-(-vIn));
	ivec4 a = ~(~vIn1);

	bool b = false;
	b = !!b;
}