#include <iostream>
#include <vector>
#include <algorithm>
#include <iterator>
#include <numeric>
 
using data_cont = std::vector<int>;
 
data_cont get_input_data() {
	data_cont data;
	std::copy(
		std::istream_iterator<data_cont::value_type>(std::cin),
		std::istream_iterator<data_cont::value_type>(),
		std::back_inserter(data)
	);
	return data;
}
 
//pray for tail-recursion optimization
void process(data_cont::iterator beg, data_cont::iterator end) {
	if(beg != end) {
		int n = *beg;
		auto seq_beg = beg + 1;
		auto seq_end = seq_beg + n;
		std::cout << std::accumulate(seq_beg, seq_end, 0) << '\n';
		process(seq_end, end);
	}
}
 
int main() {
	using namespace std;
	auto data = get_input_data();
	process(begin(data), end(data));
	return 0;
}

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MiAyIDYKMyAtMSAtMiAtMwo0IDIgMiAtMiAtMg==

2 2 6
3 -1 -2 -3
4 2 2 -2 -2