Task: Program Execution
Input (English): 3, ['X', 'A', '7403', 'W', 'z', '9435', '27', 'z', '9715', '4667', 'S', 'N', 't', 'W', 'q', 'X', '6189', 'T', 'u', 'V', '693', 'A', '9657', 'I', 'P', 'w', '4875']
Output (English): X, A, 7403