Task: Program Execution
Input (English): 13, ['2687', 'E', 'Y', 'v', '2651', 'S', '6797', 'v', '4423', '6317', 'x', '1507', '6923', '9159', 'j', 'S', '723', '9821', '3173', '2583', 'Z', '243', '4685', 'X', 'O', '5477', '3551', 'X', '3847', 'E', 'y', 'i', 'H', '8777', 'W', '7307', '6265', 'U', '1667', '6093', 'f', '8381', '4735', '8983', 'F', '4481']
Output (English): 2687, 9159, 3551, 6093