Task: Program Execution
Input (English): 7, 17, ['U', '7559', 'l', 'H', 'I', 'V', '3127', 'R', 'v', 'R', 'U', '5627', 'E', 'F', 'f', 'U', 'k', '7781']
Output (English): 3127RvRU5627EFfUk