Task: Program Execution
Input (English): 5, 18, ['2697', 'U', '2193', '6893', '6143', 'v', 'a', '1195', '3933', '8241', 'v', '8833', '955', 'S', 'a', 'v', 'P', '5025', 'C', 'X', 'W', '6531', '3225', 'F', '2165', '3609', 'U', '9227']
Output (English): 6143va119539338241v8833955SavP5025