I'm just going to the supermarket, okay?

I will go to the library and come back.

He comes home from school every day.

His attitude really makes me mad.

He said he would come right away.

That idea is just right, exactly what we needed.

He is scheduled to come back in a week.

I found an old box in the storeroom.

Kazutoshi is my best friend.

How long is the execution time of this program?