Task: Program Execution
Input (English): 3, 10, ['H', '957', 'c', '7253', '6095', '1153', '5057', '615', '9895', 'u', 'U', 'U', '2309', '687', 'e', 'D', '197', 'H', '3737']
Output (English): u98956155057115360957253c