#include <iostream> #include <random> #include <bits/stdc++.h> using namespace std; using ull = __int128; using ll = long long; #define rep(i,a,b) for(int i=a;i<b;i++) #include <iostream> using namespace std; const int MAX = 2000010; const int MOD = 1000000007; long long fac[MAX], finv[MAX], inv[MAX]; // テーブルを作る前処理 void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < MAX; i++){ fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD%i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } // 二項係数計算 long long COM(int n, int k){ if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } int main() { // 前処理 COMinit(); ll a; cin>>a; vector<ll> n(a); for(int i=0;i<a;i++){ cin>>n.at(i); } sort(n.begin(),n.end()); reverse(n.begin(),n.end()); ll ans=1; for(int i=0;i<a;i++){ ans=(ans+COM(n.at(i)+i,i+1))%MOD; cout<<ans<<endl; } }