Task: Program Execution
Input (English): 9, 17, ['555', '6851', '8517', 'n', '8683', 'h', 'y', '573', 't', '7177', 'H', '2615', 'U', 'c', 'Z', 'I', 'h', '2509', 'A', 'p', 'S', 'H', '1871']
Output (English): t7177H2615UcZIh