import sys

sys.setrecursionlimit(10**6)

def F(n):

if n < 7:

return 7

else:

return 2 * n + F(n - 1)

print(F(2024) - F(2022))

f = {}

for n in range(0,2050):

if n < 7:

f[n] = 7

if n >=7:

f[n] = 2*n + f[n-1]

print(f[2024] - f[2022])