Masala tavsifi
Ikkita son berilgan, ularning farqini chiqarib bering.
Kirish Formati
Birinchi qator ikkita butun va sonlari kiritiladi .
Chiqish Formati
Bitta butun sonni chiqarib bering --- javob.
Misollar
Misol 1
Kirish
25 20
Chiqish
5
Misol 2
Kirish
20 25
Chiqish
-5