Task: Program Execution
Input (English): 3, 4, ['6803', '1193', 'N', '2953', 'q', '299', 'F', 'z', '6601', 'G', '7693', 'f', 't', '4245', '8187', '2219', 'y', '7661', 'Q', 'T', '275', '7791', '7503', '8147', 'K', '37', 'x', 'C', 'P', '2881']
Output (English): N, F, 7693, 8187, Q, 7503, x