using System;

namespace ConsoleApp6
{
    class Program
    {
        static void Main(string[] args)
        {
            long N, i, answer = 1;
            do
            {
                N = Convert.ToInt32(Console.ReadLine());

            } while (N < 1 && N > 1000);

            long[] A = new long[N];

            for (i = 0; i < N; i++)
            {
                do
                {
                    A[i] = Convert.ToInt32(Console.ReadLine());
                } while (A[i] < 1 && A[i] > 1000);
            }

            for(i = 0; i < N; i++)
            {
                answer = (answer * A[i]) % (1000000007);
            }

            Console.WriteLine(answer);
        }
    }
}

using System;
using System.Linq;
using System.Collections.Generic;
using System.Diagnostics;

namespace ConsoleApp6
{
    class Program
    {
        static void Main(string[] args)
        {
            long N, i, answer = 1;
            N = Convert.ToInt32(Console.ReadLine());

            var A = Console.ReadLine() // Read the line of space delimited numbers
                .Split(' ') // Split out by the separator
                .Select(n => Convert.ToInt64(n)) // Parse each number to long
                .ToArray(); // Convert to a materialized array

            Debug.Assert(A.Length == N, "Site lied to us about N numbers");

            for(i = 0; i < N; i++)
            {
                answer = (answer * A[i]) % (1000000007);
            }

            Console.WriteLine(answer);
        }
    }
}