#include <iostream> using namespace std; int main () { int n,c=0,s=0; cin>>n; int a1=n; while(a1!=0) { c++; a1=a1/10; } int a2=n; while(a2!=0) { int x=a2%10; int h=1; for(int i=1;i<=c;i++) { h=h*x; } s=s+h; a2=a2/10; } if(s==n) { cout<<"Yes"; } else { cout<<"No"; } return 0; }