Task: Program Execution
Input (English): 21, ['H', 'a', '8799', '6543', 'S', '2191', 'o', 'Y', '8767', 'N', '341', 'h', '4253', 'H', '3201', '3961', '8555', '9233', 'F', 'Z', 'S', 'B', 'F', 'i', 'L', '7855', '7691', 'q', '993', 'C', '7929', '7099', '9647', '7551', 'e', '1235', '9177', '7733', '2071', 'C', '7693', '5875', 'Y', 'Z', 'e', '769', '2477', '1615', 'k', 'd']
Output (English): H, B, Y