Traffic Light Code Electronics Picaxe

;gives variables to the pins i am using
    Symbol green_led = c.1
    symbol red_led = c.2
    Symbol yellow_led = c.4
    symbol green_led_2 = c.0

    ;Start of main code
main:
    if pinc.3 = 0 then start ;If the button is not pushed it will go to start
    if pinc.3 = 1 then cross ;If the button is pushed it will go to cross

    ;start of the traffic lights changing
start:
    high red_led ;turn on red led
    wait 5 ;wait 5 seconds
    low red_led ;turn off red led
    high yellow_led ;turn on yellow led
    wait 2 ;wait 2 seconds
    low yellow_led ;turn off yellow led
    if pinc.3 = 1 then cross ;If button pushed go to cross
    high green_led ;Turn on green led
    wait 5 ;Wait 5 seconds
    low green_led ;Turn off green led
    high yellow_led ;Turn on yellow led
    wait 2 ;wait 2 seconds
    low yellow_led ;Turn off yellow led
    if pinc.3 = 1 then cross ;If button pushed go to cross
    goto main ;goto main

    ;pedestrian crossing
cross:
        high  red_led ;red led on
        high green_led_2 ;turn green led 2 on
        pause 500 ;wait for 0.5 seconds
        low green_led_2 ;turn off green led 2
        pause 500 ;wait for 0.5 seconds
        high green_led_2 ;turn green led 2 on
        pause 500 ;wait for 0.5 seconds
        low green_led_2 ;turn off green led 2
        pause 500 ;wait for 0.5 seconds
        high green_led_2 ;turn green led 2 on
        pause 500 ;wait for 0.5 seconds
        low green_led_2 ;turn off green led 2
        pause 500 ;wait for 0.5 seconds
        high green_led_2 ;turn green led 2 on
        pause 500 ;wait for 0.5 seconds
        low green_led_2 ;turn off green led 2
        pause 500 ;wait for 0.5 seconds
        high green_led_2 ;turn green led 2 on
        pause 500 ;wait for 0.5 seconds
        low green_led_2 ;turn off green led 2
        goto red ;Goto red

red:
    low red_led ;Turn off red led
    high yellow_led ;Turn of yellow led
    wait 2 ;Wait for 2 seconds
    low yellow_led ;Turn off yellow led
    goto main ;Goto main