Construct a to-do list from the following input.
Complete the report
Check emails
attend online meeting
organize files
call john
To-Do List:
1. Complete the report
2. Check emails
3. Attend online meeting
4. Organize files
5. Call John
Complete the following task based on the instruction and optional input provided.### Instruction:
Construct a to-do list from the following input.

### Input:
Complete the report
Check emails
attend online meeting
organize files
call john

### Output:
To-Do List:
1. Complete the report
2. Check emails
3. Attend online meeting
4. Organize files
5. Call John