题解

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

	return 0;
}