//1017
#include <stdio.h>
int ceil(int a, int b)//向上取整
{
	if (a%b == 0) {
		return a/b;
	}
	else {
		return a/b+1;
	}
	
}
int main()
{
	int num[7], remain[3], res;
	while (1) {
		bool zf = 1;
		for (int i = 1; i <= 6; ++ i) {
			scanf("%d",num+i);
			if (num[i]) {
				zf = 0;
			}
		}
		if (zf) {
			break;
		}
		res = 0;
		res += num[6];//6*6
		res += num[5];//5*5
		remain[1] = (num[5]*11);
		res += num[4];//4*4
		remain[2] = (num[4]*5);
		res += ceil(num[3],4);//3*3
		switch (num[3]%4) {
			case 0:
				break;
			case 1:
				remain[2] += 5;
				remain[1] += 7;
				break;
			case 2:
				remain[2] += 3;
				remain[1] += 6;
				break;
			case 3:
				remain[2] += 1;
				remain[1] += 5;
				break;
			default:
				break;
		}
		if (num[2] <= remain[2]) {//所有2*2的都放进剩余空间里了
			remain[2] -= num[2];
			num[2] = 0;
		}
		else {//还有2*2的没有放进包裹
			num[2] -= remain[2];
			remain[2] = 0;
			res += ceil(num[2], 9);
			if (num[2]%9 != 0) {
				remain[1] += (9-num[2]%9)*4;
			}
		}
		num[1] -= remain[2]*4+remain[1];
		if (num[1]>0) {
			res += ceil(num[1], 36);
		}
		printf("%d\n", res);
	}
	return 0;
}