Task: Program Execution
Input (English): 15, ['x', '2921', '9779', '8261', 'Y', '4065', '1257', '6303', '7589', '387', '8581', '5759', '4601', 'V', 'k', 't', '4127', 'L', '4639', 'A', '9555', '6853', 'E', '595', '5869', '2291', 'z', 'J', 'D', 'l', '7381', '1387']
Output (English): x, t, 7381