Task: Program Execution
Input (English): 6, 20, ['7621', '1433', 'P', '9687', 'W', '5709', '303', '917', '7753', '9883', '5841', 'U', 'x', '1219', 'u', 'v', 'f', '4271', '67', 'V', 'W', 'P', '3911', '7131']
Output (English): V, 67, 4271, f, v, u, 1219, x, U, 5841, 9883, 7753, 917, 303, 5709