Task: Program Execution
Input (English): 10, 20, ['4617', 'A', '8437', '8585', '9481', '7015', '3141', 'm', 'U', '4997', 'f', '707', 'E', '9533', 'u', '8585', '1051', '1521', 'o', '3873', '8053', '9589']
Output (English): 4997f707E9533u858510511521o3873