#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;

//template
#define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define ALL(v) (v).begin(),(v).end()
typedef long long int ll;
const int inf = 0x3fffffff; const ll INF = 0x1fffffffffffffff; const double eps=1e-12;
template<typename T>inline bool chmax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
template<typename T>inline bool chmin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
//end



int main(){
   int n,z; cin>>n>>z;
   if(n>=3){
      puts("No");
      return 0;
   }
   if(n==1){
      if(z==1)puts("No");
      else puts("Yes");
   }
   else{
      rep(i,1,1001)rep(j,1,1001){
         if(i*i+j*j==z*z){
            puts("Yes"); return 0;
         }
      }
      puts("No");
   }
   return 0;
}