Task: Program Execution
Input (English): 17, 21, ['8359', '4039', '7749', 'w', '8139', 'I', '3781', '6505', '5777', 'b', 'N', '9863', 'P', '9407', 'o', '2839', 'K', '5059', '4021', 'z', 'k', 'E', '9397', 'n', '139', 'M', '1813', '8729', 'K']
Output (English): kz12049505K