#include<iostream>
#include<map>
#include<vector>

using namespace std;
int dano[10];
int a[1000000];


void PrintArr(int* arr){
	printf("\n");
	for (int i = 1; i < 10; ++i)
	{
		printf("%d ", arr[i]);
	}
}

void Digify(int* arr){
	bool isInc = false;
	int sum= 0;
	for (int i =1; i < 10; ++i)
	{
		sum +=arr[i]*i;
	}
	PrintArr(arr);
	printf(" -  %d", sum);
	++a[sum];
	for (int i = 1; i < 10; ++i)
	{
		if(arr[i] < dano[i]) {
			arr[i]++;
			for (int j = 1; j < i; ++j)
			{
				arr[j] = 0;
			}
			isInc = true;
			break;
		}
	}

	if(!isInc) {
		return;
	} else Digify(arr);

}


int main(){
	int b[10];
	for (int i = 1; i < 10; ++i)
	{
		b[i]= 0;
		scanf("%d",dano+i);
	}

	Digify(b);
	int ans = 0;
    while(ans < 10000){
    	ans++;
    	if(a[ans] == 0)
    		break;
    }

    printf("answer is %d\n", ans);
	return 0;
}