Task: Program Execution
Input (English): 12, 20, ['B', '8675', '8857', '7149', '205', '8773', '1897', 'w', 'Q', 'I', 'X', 'G', 'V', '7909', 'o', '8599', '7157', '4479', 'R', '4349', '9511']
Output (English): 4349R447971578599o7909VG