Python #1

Problem Tasks

# Date State
Not Contest

# Date State

F. O'ylangan son

Time limit : 1000 ms
Memory limit : 128 mb

Doskada 4 xonali son yozilgan. Shuni teskarisiga o'girishdi. Hosil bo'lgan son avvalgi sondan 4 barobar katta bo'lib chiqdi. Ushbu sonni toping.



Input
hech nima
Output
javob