Task: Program Execution
Input (English): 5, 18, ['5363', '4283', '2481', '789', '1233', '3065', '3971', 'L', 'C', 'r', 'b', 'a', '8259', 'H', '5113', 'P', '7169', '7143', '9429', 'H', '7339']
Output (English): 71437169P5113H8259abrCL397130651233