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#include <bits/stdc++.h>
using namespace std;
bool ss(int a)
{
int sum=0,t=a;
while(t)
{
sum=sum*10+t%10;
t/=10;
}
return sum==a;
}
int main()
{
int a;
cin>>a;
if(ss(a)) cout<<"Yes";
else cout<<"No";
return 0;
}