Task: Program Execution
Input (English): [[-50, 44], [-15, 44, -38], [12, 44, -26, 12], [46, -28, 29], [-37, -2], [45, 8, -8, 28], [46, -44, 27, 34, 28], [7, -41, 36], [26, 47], [-34, -49], [41, -2, 6], [-15, 38, 20], [-3, -50]]
Output (English): [0, -15, 0, 29, -37, 45, 27, -287, 47, -49, 41, -15, -3]