import msvcrt
import numpy as np
import matplotlib.pyplot as plt
import time

def nuc(u, n):
    if u >= n:
        u -= n
        n *= 3
    else:
        n += u * 3
        u = 0
    return u, n

u = int(input())
n = 0
timer = 1

unranium_data = [u]
neutrons_data = [n]

while u > 0:
    ch = 'not_x'
    if msvcrt.kbhit():
        ch = msvcrt.getch()
    kek = 0
    if ch == b'x':
        n += 1
    u, n = nuc(u, n)
    unranium_data.append(u)
    neutrons_data.append(n)
    timer += 1
    time.sleep(0.3)
plt.plot([i for i in range(timer)], unranium_data)
plt.plot([i for i in range(timer)], neutrons_data)

plt.show()