import time
from machine import Pin
time.sleep(0.1) # Wait for USB to become ready

led=[Pin(1,Pin.OUT),Pin(2,Pin.OUT),Pin(3,Pin.OUT),Pin(5,Pin.OUT),Pin(6,Pin.OUT),Pin(8,Pin.OUT),Pin(9,Pin.OUT),Pin(15,Pin.OUT)]
#led=[Pin(15,Pin.OUT),Pin(9,Pin.OUT),Pin(8,Pin.OUT),Pin(6,Pin.OUT),Pin(5,Pin.OUT),Pin(3,Pin.OUT),Pin(2,Pin.OUT),Pin(1,Pin.OUT)]
for num in range (2,62):
    prime=1
    n=num
    for i in range(2,n):
        if(n%i==0):
            prime=0
    time.sleep(1)
    if(prime==1):
        print(num)
        for i in range (0,8):
            if(n&(1<<i)):
                led[7-i].on()
        time.sleep(1)
        for i in range (0,8):
            led[i].off()