Task: Program Execution
Input (English): 7, ['823', '8215', '5709', 'I', '5703', 'z', 'C', 'Z', '5881', '6673', '9179', '4357', 'U', 'a', 'P', '7383', '777', 'F', 'Z', 'm', '3551', 'E', 'C', 'a', '3351', 'r', 'v', '1703', 'U', 'y', 'Y', 'u', 'E']
Output (English): 823, Z, P, E, U