Task: Program Execution
Input (English): 11, 20, ['W', '521', '5083', 'g', '583', 'm', '1989', '1159', '897', '137', '15', '3313', 'C', '2021', 'X', 'M', 'N', 'k', 'E', '9295', '9911', '3927', '473', '7667', '3051']
Output (English): 5929EkNMX1202C313351