Task: Program Execution
Input (English): 21, 22, ['1933', 'w', '9513', '1573', '7635', 'z', 'n', '3943', 'F', 's', '6109', 'G', '8065', 'm', '1217', 'K', '6461', 'u', 'Y', 'b', 'R', '9637', 'w', '3093']
Output (English): 7369R