题解

#include <bits/stdc++.h>
using namespace std;
string s,s1,s2;
int cnt=0;
int main()
{
	cin>>s;
	int len=s.size();
	for(int i=0;i<=len-1;i++)
	{
		s1+=s[i];	
	 } 
	 for(int i=len-1;i>=0;i--)
	{
		s2+=s[i];	
	 } 
	 if(s1==s2) cout<<"Yes";
	 else cout<<"No";
	return 0;
}