#include <iostream> using namespace std; typedef unsigned long long ll; const ll mod=1000000007; const ll MOD=1000000007; struct bt{ ll a,b; bt nxt() { bt ans; ll xz; xz=(a+b)%(MOD-1); ans.a=b; ans.b=xz; return ans; } bt db() { ll ansa,ansb; ll md=MOD-...