import java.io.*;
import java.util.*;
class Main
{
    public static void main(String args[])throws Exception
    {
        BufferedReader bu=new BufferedReader(new InputStreamReader(System.in));
        int n=Integer.parseInt(bu.readLine());
        int i,a[]=new int[9];
        String s[]=bu.readLine().split(" ");
        for(i=0;i<9;i++) a[i]=Integer.parseInt(s[i]);

        long f[]=new long[n+1],p[]=new long[n+1],M=1000000007;
        f[0]=p[0]=1;
        for(i=1;i<=n;i++)
        {
            f[i]=f[i-1]*i%M;
            p[i]=p[i-1]*10%M;
        }

        long ans=0,v,fa; int j,k;
        for(i=n-1;i>=0;i--)
        {
            v=0;
            for(j=0;j<9;j++)
            if(a[j]!=0)
            {
                fa=1;
                a[j]--;
                for(k=0;k<9;k++)
                fa=fa*f[a[k]]%M;
                fa=f[n-1]*power(fa,M-2,M)%M;
                v=(v+fa*(j+1))%M;
                a[j]++;
            }
            ans=(ans+v*p[i]%M)%M;
        }
        System.out.print(ans);
    }

    static long power(long a,long b,long M)
    {
        long res=1;
        while(b!=0)
        {
            if(b%2==1) res=res*a%M;
            b>>=1;
            a=a*a%M;
        }
        return res;
    }
}