import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

N = int(read())

MOD = 10**9 + 7

def comb(N,K):
    # K is small
    num = 1
    den = 1
    for i in range(K):
        num *= (N-i)
        den *= (1+i)
    return num // den

answer = comb(N+9, 9) % MOD
print(answer)