from machine import Pin
import time
p0 = Pin(0, Pin.OUT)
k=0

for i in range(1, 4):
    print(i)
    for j in range(1, 5):
        print(i+j)
print("finish")

"""
k = int(input("run time?"))
for n in range(k):
    p0.value(1)
    time.sleep(0.5)
    p0.value(0)
    time.sleep(0.5)
print("already run ", k, " times.")
"""
def math(x, y):
    nx=x
    for n in range(1, y):
        x=x*nx
    return x