Task: Program Execution
Input (English): [[-68, -3, -153, -42, 89, 45], [-108, -152, 76, 37, 30], [-198, 61, -97, 85, 31, -41], [-21, -156], [-147, -8, -59, -53, 31, 49]]
Output (English): [89, 76, 85, -21, 49]