Task: Program Execution
Input (English): 10, ['1555', '7209', '2409', '5867', 'k', '7995', '5539', '565', 'v', '9773', '1399', 'U', 'u', '5275', 'G', '9093', 'T', '3007', 'v', 'J', 'A', 'X', 'B', 'd', 'A', '4737', 'U', '603', 'D', 'y', '9897', 'g', 'R']
Output (English): 1555, 1399, A, 9897