Armstrong Number

// Armstrong Number
#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    int n;
    cin>>n;
    int sum=0;
    int x=n;
    while(n>0)
    {
        int r=n%10;
        sum+=(r*r*r);
        n/=10;
        
    }
    if(sum==x)
    {
        cout<<"Yes";
    }
    else
    {
        cout<<"No";
    }
    
    return 0;
}