#include #include using namespace std; using namespace atcoder; typedef long long int ll; typedef long double ld; #define FOR(i,l,r) for(ll i=l;i=l;i--) #define RREP(i,n) RFOR(i,0,n) #define ALL(x) x.begin(),x.end() #define P pair #define F first #define S second #define BS(A,x) binary_search(ALL(A),x) #define LB(A,x) (ll)(lower_bound(ALL(A),x)-A.begin()) #define UB(A,x) (ll)(upper_bound(ALL(A),x)-A.begin()) #define COU(A,x) (UB(A,x)-LB(A,x)) templateusing min_priority_queue=priority_queue,greater>; using mint=modint1000000007; //using mint=modint998244353; void chmax(ll&a,ll b){a=max(a,b);} void chmin(ll&a,ll b){a=min(a,b);} int main(){ ll A,B,N;cin>>A>>B>>N; while(N--){ ll T;cin>>T; vector>a={{A,B},{1,0}},e={{1,0},{0,1}}; ll n=T/2; while(n){ if(n%2)e={{e[0][0]*a[0][0]+e[0][1]*a[1][0],e[0][0]*a[0][1]+e[0][1]*a[1][1]},{e[1][0]*a[0][0]+e[1][1]*a[1][0],e[1][0]*a[0][1]+e[1][1]*a[1][1]}}; n/=2; a={{a[0][0]*a[0][0]+a[0][1]*a[1][0],a[0][0]*a[0][1]+a[0][1]*a[1][1]},{a[1][0]*a[0][0]+a[1][1]*a[1][0],a[1][0]*a[0][1]+a[1][1]*a[1][1]}}; } if(T%2)cout<<((e[0][0]+e[0][1])*(A+1)+(e[1][0]+e[1][1])*(B+1)).val()<