kos aththe sitina giraw gana x lesath, del aththe maino gana y lesath gaththoth
kos aththen del aththata giraw gihama kos aththe kurullo x-3 , del aththe y+3 ,
x-3 = y+3
del aththen maino 3k kos aththata giyanam del aththe kurullo y-3 , kos aththe x+3,
x+3 = 2(y-3)
y=15 x=21
mulin kos...