Z=10**9+7 A=[1,1,1,0] E=[1,0,0,1] M=->a,b{4.times.map{|i|(a[i/2*2]*b[i%2]+a[i/2*2+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