#include <bits/stdc++.h> #include <iostream> using namespace std; #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #define rep(i,a,b) for(LL i = a;i<b; i++) #define rrep(i,a,b) for(LL i = a;i>b; i--) #define tobirep(i,a,b,c) for(LL i = a;i<b; i+=c) #define tobirrep(i,a,b,c) for(LL i = a;i>b; i-=c) #define INF ((1LL<<62)-(1LL<<31)) #define ooki 9223372036854775807 #define tii -9223372036854775808 typedef long long LL; int main(){ ios::sync_with_stdio(0);cin.tie(nullptr); LL a,b; cin >> a >> b; if(a*a==b||b*b==a||a==b){cout<<"Yes"<<endl;} else cout << "No" << endl; }