sum[i][c] += sum[i - 1][c];
        sum[i][1 - C[i]] += S[i];
    }

    int cnt;

    int cnt, K, T;

    in >> cnt;

    FOR (i, 1, cnt) {
        int K, T;
        in >> K >> T;
        out << work(K, T) << "\n";
    }

    FOR (i, 1, cnt)
        in >> K >> T, out << work(K, T) << "\n";
 

    in.close(), out.close();
    return 0;
}