Task: Program Execution
Input (English): 6, 17, ['3885', '3687', '6801', '299', 'P', 'H', 'O', '7759', 'x', 'U', '8429', 'x', '7899', 'N', 'g', '2153', '6353', '1861']
Output (English): 63532153gN7899x8429Ux7759OH