Task: Program Execution
Input (English): 2, 18, ['Z', '7379', '7623', '9301', 'B', '4305', 'y', 's', 'z', '3513', '4293', '6361', '2567', '3413', 'K', 'u', 'o', '5241', 'k']
Output (English): 1425ouK31437652163639243153zsy5034B103932679737