Task: Program Execution
Input (English): 5, 18, ['717', 'v', '3487', 'N', 'u', '5127', '6097', '9723', 'c', '1607', '3481', 'Q', '9793', 'G', '7191', 'P', 'X', 'Y']
Output (English): YXP1917G3979Q18437061c327979067215u