diff --git a/module00/ex03/main.c b/module00/ex03/main.c
index f219aa9..76f9f5a 100644
--- a/module00/ex03/main.c
+++ b/module00/ex03/main.c
@@ -19,27 +19,17 @@
 #define SW1 2
 #define SW2 4
 
-#define ON	1
-#define OFF	0
-#define SWITCH(state)	state = (state == ON) ? OFF : ON;
-
 int main() {
-
-	// FLASHING
-	
 	MODE_OUTPUT(B, D1);
 	MODE_INPUT(D, SW1);
-	int state = OFF;
 	while(1) {
 		if (IS_PIN_SET(D, SW1)) {
-			SWITCH(state);
+			TOGGLE_PIN(B, D1);
+			_delay_ms(20);
+			while(IS_PIN_SET(D, SW1)) {
+				continue;
+			}
+			_delay_ms(20);
  		}
-		if (state) {
-			SET(PORTB, D1);
-		}
-		else {
-			CLEAR(PORTB, D1);
-		}
-		_delay_ms(100);
 	}
 }
\ No newline at end of file