Task: Program Execution
Input (English): [[20, -123, -74], [97, -131, -3, -79, -90, -168, -5], [-119, 13, -164, 78, -95], [66, 12, -20, 10, -146, -104], [-113, -91, 1, -161, 21, -58, -163]]
Output (English): [20, 97, 78, 66, 21]