#include <stdio.h>

#define MAX_MONSTER 16


int num;
int score[MAX_MONSTER];
int end_mask = 0;


int getScore(const int mask, const int life, const int max_life) {
	if(mask == end_mask)
		return life;

	int max = 0, i;
	for(i=0; i<num; i++) {
		if(!(mask & 1 << i)) {
			int tmp_life = life + score[i];
			if(tmp_life > 0) {
				if(tmp_life > max_life)
					tmp_life = max_life;

				int tmp = getScore(mask | 1 << i, tmp_life, score[i] < 0 ? max_life + 100 : max_life);
				if(tmp > max)
					max = tmp;
			}
		}
	}
	return max;
}

int main() {
	scanf("%d", &num);
	for(int i=0; i<num; i++) {
		scanf("%d", score+i);
		end_mask |= 1 << i;
	}

	printf("%d\n", getScore(0, 100, 100));
	return 0;
}