n = int(input())
mod = 10**9+7

ans = [1,12,65,172]
if n <= 3:
    print(ans[n])
    exit()
w = (1+6*n)//2
base = 2*w*(w+1)+1
base %= mod
n -= 1
count = (n//2)*(n//2+1)
if n%2:
    count += (n+1)//2

ans = (base-count*4)%mod
if n%2 == 0:
    ans -= 1
print(ans%mod)