$1$ grade $=71$

$2$ if grade $>90$:

$3$ print$("$You got an A$")$

$4$ elif grade $>80$:

$5$ print$("$You got a B$")$

$6$ elif grade $>70$:

$7$ print$("$You got a C$")$

$8$ elif grade $>60$:

$9$ print$("$You got a D$")$

$10$ elif grade $<=60$:

$11$ print$("$You got a F$")$

$12$ print$("$We are done!"$)$

For the sample program, when using the interactive debugger with breakpoints set on lines $2,4,6,8,$ and $10,$ what is the line number of the breakpoint that the interactive debugger will step into a condition?