#B4064. Fourth Power Verification

    ID: 11721 Type: Default 1000ms 256MiB

Fourth Power Verification

Fourth Power Verification

Given a positive integer a, determine whether there exists a positive integer b such that \(a=b^4\). In other words, check if a is a perfect fourth power.

inputFormat

The input consists of a single positive integer a.

outputFormat

Output "Yes" if there exists a positive integer b satisfying \(a=b^4\); otherwise, output "No".

sample

16
Yes