import sys
input = sys.stdin.readline

mod=10**9+7

FACT=[1]
for i in range(1,5*10**5+1):
    FACT.append(FACT[-1]*i%mod)

FACT_INV=[pow(FACT[-1],mod-2,mod)]
for i in range(5*10**5,0,-1):
    FACT_INV.append(FACT_INV[-1]*i%mod)

FACT_INV.reverse()

def Combi(a,b):
    if 0<=b<=a:
        return FACT[a]*FACT_INV[b]%mod*FACT_INV[a-b]%mod
    else:
        return 0

def calc(n):
    DP=[0]*(n*2+1)
    DP[n]=1
    ANS=0

    for i in range(n*2):
        NDP=[0]*(n*2+1)
        for j in range(n*2):
            NDP[j+1]+=DP[j]
            if j-1>=0:
                NDP[j-1]+=DP[j]
        DP=NDP
        ANS+=DP[-1]
        #print(DP[-1])

    return ANS
#a(n) = 8*binomial(2*n+1,n-3)/(n+5).
#a(n) = 9*binomial(2n,n-4)/(n+5).
#a(n) = 10*C(2n+1, n-4)/(n+6).
#a(n) = 11*binomial(2n,n-5)/(n+6).
#a(n) = 12 * C(2n+1,n-5) / (n+7).
#a(n) = 13*binomial(2n,n-6)/(n+7).
#for i in range(1,20):
#    print(i,calc(i))

n=int(input())
ANS=0
for i in range(n):
    if n%2==0:
        ANS+=n*Combi(2*i+1,i-(n-1)//2)*pow(i+(n+2)//2,mod-2,mod)
    else:
        ANS+=n*Combi(2*i,i-(n-1)//2)*pow(i+(n+2)//2,mod-2,mod)

print(ANS%mod)