Task: Program Execution
Input (English): 1, 20, ['Z', '1703', '7613', '9735', '9259', '9993', 'w', 'i', '2817', 'f', 'D', 'Q', '7151', '5485', 'K', '1149', 'b', '1953', '1465', 'u', '609', '4609', '4649', '3549']
Output (English): Z17037613973592599993wi2817fDQ71515485K1149b19531465u