Task: Program Execution
Input (English): 15, ['A', 'C', 'C', 'e', 's', '5019', '1163', 'X', 's', 'X', '5309', 'P', '2629', '655', 'w', '6491', '693', 'U', '2789', '8881', 'c', '4521', '2205', 'x', 'A', 'R', 'P', 'n', 'p', 'z', 'U', '63', 'n', 't']
Output (English): A, 6491, U