Task: Program Execution
Input (English): 5, ['P', 'c', 'b', 'z', 'O', '5519', 'A', 'H', '2389', 'z', 'e', 'U', '6139', '5465', '1763', 'j', '8629', 'o', '1443', '2237', 'V']
Output (English): P, c, b, z, O