u(8^2014)
8^1=8
8^2=64
8^3=...2
8^4=...6
8^5=...8
...............
=>2014:4=503 rest 2 => u(8^2014)=4
u(9^2013)
9^1=9
9^2=81
9^3=...9
9^4=...1
................
=> 2013:2=1006 rest 1 => u(9^2013)=9
u(8^2014+9^2019)=u(4+9)=u(13)=3 - NU ESTE PĂTRAT PERFECT
#KAWAIIMATH
