SIZE=10**5+1; MOD=10**9+7 #998244353 #ここを変更する

inv = [0]*SIZE  # inv[j] = j^{-1} mod MOD
fac = [0]*SIZE  # fac[j] = j! mod MOD
finv = [0]*SIZE # finv[j] = (j!)^{-1} mod MOD
fac[0] = fac[1] = 1
finv[0] = finv[1] = 1
for i in range(2,SIZE):
    fac[i] = fac[i-1]*i%MOD
finv[-1] = pow(fac[-1],MOD-2,MOD)
for i in range(SIZE-1,0,-1):
    finv[i-1] = finv[i]*i%MOD
    inv[i] = finv[i]*fac[i-1]%MOD

def choose(n,r): # nCk mod MOD の計算
    if 0 <= r <= n:
        return (fac[n]*finv[r]%MOD)*finv[n-r]%MOD
    else:
        return 0

n,*c = map(int,open(0).read().split())
r = k = 0
for i in range(9):
    if c[i] == 0: continue
    cc = c[:]
    cc[i] -= 1
    v = fac[n-1]
    for j in cc:
        v *= finv[j]
        v %= MOD
    r += (i+1)*v
for i in range(n):
    k = (k*10+1)%MOD
print(r*k%MOD)