#include<stdio.h>
int main()
{
	int n = 7, i;
	int t[8];
	for (i = 0; i < n; i++)
		scanf("%d", &t[i]);
	int sum = 0, time = 6000;
	for (i = 0; i < n; i++)
	{
		if (t[i] < 0 || sum < 0)
			sum = -1;
		else
			sum += t[i];
		if (sum < 0 || time - sum < 0)
			printf("-1\n");
		else
			printf("%d\n", time - sum);
	}
	return 0;
}