import sys input = sys.stdin.readline mod=10**9+7 # 行列の計算(numpyを使えないとき,modを使用) def prod(A,B,k,l,m):# A:k*l,B:l*m C=[[None for i in range(m)] for j in range(k)] for i in range(k): for j in range(m): ANS=0 for pl in range(l): ANS=(ANS+A[i][pl]*B[pl][j])%mod C[i][j]=ANS return C def plus(A,B,k,l):# a,B:k*l C=[[None for i in range(l)] for j in range(k)] for i in range(k): for j in range(l): C[i][j]=(A[i][j]+B[i][j])%mod return C # 漸化式を行列累乗で求める(ダブリング) n=int(input()) s=pow(6,mod-2,mod) POWA=[[[0,0,0,0,0,s],[1,0,0,0,0,s],[0,1,0,0,0,s],[0,0,1,0,0,s],[0,0,0,1,0,s],[0,0,0,0,1,s]]] for i in range(60): POWA.append(prod(POWA[-1],POWA[-1],6,6,6)) # ベキを求めて X=[[0,0,0,0,0,1]] while n: X=prod(X,POWA[n.bit_length()-1],1,6,6) # n乗の場合 n-=1<<(n.bit_length()-1) print(X[0][-1])