N = int(input())
memo = {}
def comb(n,k):
    if k>n or k<0:
        return 0
    if k==0 or k==n:
        return 1
    if (n,k) in memo:
        return memo[(n,k)]
    memo[(n,k)] = comb(n-1,k-1)+comb(n-1,k)
    return memo[(n,k)]
ans = comb(6*N+7,7)-8*comb(5*N+6,7)+28*comb(4*N+5,7)-56*comb(3*N+4,7)+70*comb(2*N+3,7)-56*comb(N+2,7)
print(ans)