Z=10**9+7
A=[1,1,1,0]
E=[1,0,0,1]
M=->a,b{(0..3).map{|i|(a[i&~1]*b[i%2]+a[i&~1|1]*b[i%2|2])%Z}}
P=->n{a=A;e=E;(n%2>0&&e=M[a,e];a=M[a,a];n/=2)while n>0;e[1]}
p P[n=gets.to_i]*P[n+1]%Z