#include <algorithm>
#include <cassert>
#include <cctype>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstring>
#include <deque>
#include <functional>
#include <iomanip>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <stack>
#include <string>
#include <tuple>
#include <vector>
#include <list>
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
//#define cerr if(false) cerr
#ifdef DEBUG
#define show(...) cerr << #__VA_ARGS__ << " = ", debug(__VA_ARGS__);
#else
#define show(...) 42
#endif
using namespace std;
using ll = long long;
using pii = pair<int, int>;
template <typename T, typename S>
ostream& operator<<(ostream& os, pair<T, S> a) {
    os << '(' << a.first << ',' << a.second << ')';
    return os;
}
template <typename T>
ostream& operator<<(ostream& os, vector<T> v) {
    for (auto x : v) os << x << ' ';
    return os;
}
void debug() {
    cerr << '\n';
}
template <typename H, typename... T>
void debug(H a, T... b) {
    cerr << a;
    if (sizeof...(b)) cerr << ", ";
    debug(b...);
}
int main(){
    int n;
    ll z;
    cin >> n >> z;
    if(n >= 3){
        puts("No");
        return 0;
    }
    if(n == 1){
        if(z ==  1)puts("No");
        else puts("Yes");
    }else{
        for(ll x = 1; x <= z; x++){
            ll y = sqrt(z * z - x * x);
            if(y > 0 and y * y + x * x == z * z){
                puts("Yes");
                return 0;
            }
            y++;
            if(y > 0 and y * y + x * x == z * z){
                puts("Yes");
                return 0;
            }
            y -= 2;
            if(y > 0 and y * y + x * x == z * z){
                puts("Yes");
                return 0;
            }
        }
        puts("No");
    }
}