#include<iostream>
#include<string>
#include<math>
using namespace std;
int main(){
    string s;
    if(!(cin>>s))return 0;
    if(s[0] == '-'){
        cout<<"Invalid input"<<endl;
        return 0;
    }
    long long n = stoll(s),sum=0,len =s.length();
    for(char c : s) sum += pow(c - '0',len);
    cout<<(sum ==n ?"True" : "False")<<endl;
    return 0;
}