题解

#include<iostream>
#include<string>
using namespace std;
int main(){
	string s,s2;
	cin>>s;
	for(int i=s.size()-1;i>=0;i--){
		s2+=s[i];
	}
	if(s==s2){
		cout<<"yes";
	}else{
		cout<<"no";
	}
	return 0;
}

#include<iostream>
using namespace std;
int main(){
	int n,x=0;
	cin>>n;
    int s=n;
	while(s!=0){
        x*=10;
        x+=s%10;
        s/=10;
    }
	if(n==x){
		cout<<"yes";
	}else{
		cout<<"no";
	}
	return 0;
}