Task: Program Execution
Input (English): 1, ['1861', 'a', 'v', 'j', '3783', 'V', 't', '4347', 'X', '6555', '4567', 'i', 'L', 'F', '3175', 'a', '5499', '7223', 'X', '6267', 'H', 'a', '7213', '7863', '537']
Output (English): 1861