Task: Program Execution
Input (English): 9, 18, ['3255', 'D', 'w', '8623', '5951', 'p', '8007', '49', 'X', 'x', '3679', '2195', 'M', 'X', 'k', '7331', '4321', 'z', '4331', '3879']
Output (English): X, x, 3679, 2195, M, X, k, 7331, 4321, z