#include <stdio.h>
#include <vector>
#define MOD 1000000007

long long int power(long long int a, long long int b, int M)
{
	long long int ans = 1;
	long long int k = a;
	while(b)
	{
		if(b%2==1) ans *= k, ans %= M;
		b/=2;
		k *= k, k %= MOD;
	}
	return ans;
}
long long int inv(long long int k, int M)
{
	return power(k,M-2,M);
}




int gcd(int a, int b)
{
	return a?gcd(b%a,a):b;
}

int c[110];
std::vector<int> V;
int main()
{
	int a;
	scanf("%d",&a);
	for(int i=1;i<=9;i++) scanf("%d",&c[i]);
	
	int count = 0;
	for(int i=1;i<=9;i++) if(c[i]>0) count++;
	if(count==1)
	{
		for(int i=1;i<=9;i++) 
		{
			if(c[i]>0)
			{
				long long int t = power(10,c[i],MOD);
				t += (MOD-1), t %= MOD;
				t *= inv(9,MOD), t %= MOD;
				t *= i, t %= MOD;
				printf("%lld",t);
				return 0;
			}
		}
	}
	
	for(int i=1;i<=9;i++) if(c[i]>0) V.push_back(i);
	
	int g = 0;
	for(int i=0;i<V.size();i++) for(int j=i+1;j<V.size();j++) g = gcd(g,9*(V[j]-V[i]));
	
	int control;
	int L = 1;
	// 2
	control = 1;
	for(int i=1;i<=9;i+=2) if(c[i]>0) control = 0;
	if(control) L *= 2;
	// 4
	control = 1;
	for(int i=1;i<=9;i++)
	{
		if(i==4) continue;
		if(i==8) continue;
		if(c[i]>0) control = 0;
	}
	if(control) L *= 2;
	// 3
	
	int sum = 0;
	for(int i=1;i<=9;i++) sum += i*c[i], sum %= 9;
	if(sum%3==0) L *= 3;
	if(sum%9==0) L *= 3;
	
	//27
	if(g%27==0)
	{
		long long int S = 0;
		for(int i=1;i<=9;i++)
		{
			if(c[i]>0)
			{
				S *= power(10,c[i],27), S %= 27;
				S += ((c[i]-1)/3+1)*i, S %= 27;
				S += ((c[i]-2)/3+1)*10*i, S %= 27;
				S += ((c[i]-3)/3+1)*19*i, S %= 27;
			}
		}
		if(S%27==0) L *= 3;
	}
	
	//7
	if(count==2)
	{
		if(c[1]>0 && c[8]>0)
		{
			sum = 0;
			for(int i=1;i<=c[1]%6;i++) sum *= 10, sum += 1, sum %= 7;
			for(int i=1;i<=c[8]%6;i++) sum *= 10, sum += 8, sum %= 7;
			if(sum==0) L *= 7;
		}
		else if(c[2]>0&&c[9]>0)
		{
			sum = 0;
			for(int i=1;i<=c[2]%6;i++) sum *= 10, sum += 2, sum %= 7;
			for(int i=1;i<=c[9]%6;i++) sum *= 10, sum += 9, sum %= 7;
			if(sum==0) L *= 7;
		}
	}
	
	printf("%d",gcd(L,g));
	
}