What does it mean that "Split input seperate lines"?

Question

can you give me example

Answer 1

In my friend's BMI calculator, you should type:
First line: kg
Second line: meter

Example:

60
1.78

Answer 2

You have to give input to run the program

Credit to Programmer Jr
https://code.sololearn.com/c5JXI44chmZP/?ref=app

Answer 3

i am new i am sorry. where i must put input in your example ?

Answer 4

i didnt understand 😕😕