Task: Program Execution
Input (English): 11, 19, ['K', '5465', '5787', 'd', '2797', 'a', 'T', '9281', '8709', 'w', '7369', 'N', '2371', 'Z', 'Q', '231', 'k', 'S', 'r']
Output (English): 7369N2371ZQ231kSr