#include<iostream> using namespace std; int main(){ int n,cnt=0; int d,sum=0; int k=1; cin>>n; int tp=n; while(tp!=0){ tp=tp/10; cnt++; } tp=n; while(tp!=0){ d=tp%10; k=1; for(int i=1;i<=cnt;i++){ k=k*d; } sum=sum+k; tp=tp/10; } if(sum==n){ cout<<"Yes"<<endl; }else{ cout<<"No"<<endl; } return 0; }