#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define llint long long #define inf 1e18 #define rep(x, s, t) for(llint (x) = (s); (x) < (t); (x)++) #define Rep(x, s, t) for(llint (x) = (s); (x) <= (t); (x)++) #define chmin(x, y) (x) = min((x), (y)) #define chmax(x, y) (x) = max((x), (y)) #define mod 1000000007 using namespace std; typedef pair P; llint n; llint a[100005]; llint modpow(llint a, llint n) { if(n == 0) return 1; if(n % 2){ return ((a%mod) * (modpow(a, n-1)%mod)) % mod; } else{ return modpow((a*a)%mod, n/2) % mod; } } int main(void) { ios::sync_with_stdio(0); cin.tie(0); cin >> n; for(int i = 1; i <= n; i++) cin >> a[i]; llint mul = 1, mul2 = 1, r = 0, ans = 1; for(int l = 1; l <= n; l++){ while(r < n && mul * a[r+1] < 1000000000){ r++; mul *= a[r]; mul2 *= mul, mul2 %= mod; } ans *= mul2, ans %= mod; llint inv = modpow(a[l], mod-2); mul *= inv, mul %= mod; mul2 *= modpow(inv, r-l+1), mul2 %= mod; } cout << ans << endl; return 0; }