#include <iostream>
using namespace std;
int main(){
	int num[10] = {0}, sum = 0;
	for(int i = 0; i < 7; i++){
		cin >> num[i];
		if(num[i] >= 0){
			sum += num[i];
		}else{
			sum += 9999;
		}
		if(sum <= 6000){
			cout << 6000 - sum << endl;
		}else{
			cout << -1 << endl;
		}
	}
	return 0;
}