Task: Program Execution
Input (English): 1, 4, ['9931', '6415', 'L', 'K', 'j', 'h', 'S', 'd', '5033', 'K', 'M', '3543', 'b', 'e', '4921', 'g', 'd', '9401']
Output (English): K, L, 6415, 9931