Task: Program Execution
Input (English): 3, 1, ['2537', '9043', 'U', 'r', 'P', 'r', '1491', 'L', 'K', '3555', 'Q', '7697', 'K', '181', 'Z', '303']
Output (English): U, r, P, r, 1491, L, K, 3555, Q, 7697, K, 181, Z, 303