Task: Program Execution
Input (English): 3, 20, ['s', '3141', '873', 'N', '463', '8693', '3035', '6709', '531', '47', '5839', '2015', 'm', '2221', '1379', 'a', '4067', '5103', '5243', 'R', '8517']
Output (English): R524351034067a13792221m2015583947531670930358693463N873