Change the text formatting of the following sentence to make it easier to read.
Thestudenthadacomplexproblemtocomplete
The student had a complex problem to complete.
Complete the following task based on the instruction and optional input provided.### Instruction:
Change the text formatting of the following sentence to make it easier to read.

### Input:
Thestudenthadacomplexproblemtocomplete

### Output:
The student had a complex problem to complete.