Task: Program Execution
Input (English): 10, 15, ['E', '4015', '3255', 'l', 's', 'M', '59', 'l', 'l', '3157', '2427', '9791', '5767', 'i', 'I', 'd']
Output (English): 3157, 2427, 9791, 5767, i, I