String dataString is read from input. If dataString does not contain character $\text{'}$k$\text{'}$ at or after index $8,$ then output"Character $\text{'}$k$\text{'}$ is not found at or after index $8."$ Otherwise, output "Starting at index $8,$ the first occurrence of character $\text{'}$k$\text{'}$ is at index $"$ the index of the first occurrence of $\text{'}$k$\text{'}$ at or after index $8$ in dataString