diff --git a/lab5.c b/lab5.c
index a719d34..3bd285d 100644
--- a/lab5.c
+++ b/lab5.c
@@ -10,19 +10,8 @@ int main(void)
     GPIO_PORTF_DEN_R = 0x1F;            /* set PORTF pins 5 pins*/
     GPIO_PORTF_DIR_R = 0x0E;            /* set PORTF0 PORTF4 pin as input user switch pin */
     GPIO_PORTF_PUR_R = 0x11;            /* PORTF4 PORT0 is pulled up */
-    GPIO_PORTF_IEV_R = 0x00;             /*detects the falling edge of the switch*/
+    GPIO_PORTF_IM_R = 0x11              /*Masking the ports*/
+    GPIO_PORTF_IEV_R = 0x00;            /*detects the falling edge of the switch*/
 
 
-switch(z)
-    {
-        case 0: GPIO_PORTF_DATA_R = 0x02;
-        break;
-
-        case 1:GPIO_PORTF_DATA_R = 0x00;
-        break;
-
-        default:GPIO_PORTF_DATA_R = 0x04
-        break;
-
-    }
 }