#include<iostream>
using namespace std ;
int main(){
long long d , n;
cin>>d;
n= d;
double rev_n=0;
while(n>0){
rev_n=(rev_n*10)+(n%10);
n=n/10;
}
if(d==rev_n){
cout<<rev_n<<"\nYES";
}
else{
cout<<rev_n<<"\nNO";
}
}
I2luY2x1ZGU8aW9zdHJlYW0+CnVzaW5nIG5hbWVzcGFjZSBzdGQgOwppbnQgbWFpbigpewogIGxvbmcgbG9uZyAgZCAsIG47CiAgY2luPj5kOwogbj0gZDsKICBkb3VibGUgcmV2X249MDsKICB3aGlsZShuPjApewogICAgcmV2X249KHJldl9uKjEwKSsobiUxMCk7CiAgICBuPW4vMTA7CgogIH0KICBpZihkPT1yZXZfbil7CiAgICBjb3V0PDxyZXZfbjw8IlxuWUVTIjsKICB9CiAgZWxzZXsKICAgIGNvdXQ8PHJldl9uPDwiXG5OTyI7CiAgfQp9Cg==