Task: Program Execution
Input (English): 1, ['4503', 'z', '6767', 'k', '4937', '7601', '8139', '7981', 'Y', '1961', 'f', 'c']
Output (English): z, 6767, k, 4937, 7601, 8139, 7981, Y, 1961, f, c