byte pin[3] = {8,9,10};
byte tlacitko[3] = {MOUSE_LEFT, MOUSE_MIDDLE, MOUSE_RIGHT};
byte i;

void setup() {
	Mouse.begin();
	for(i = 0; i < 3; i++){
		pinMode(pin[i], INPUT);
	}
}

void loop() {
	for(i = 0; i < 3; i++){
		if(digitalRead(pin[i]) == HIGH){
			Mouse.click(tlacitko[i]);	
		}
	}
	delay(100);
}