题解

#include<iostream>
using namespace std;
int main(){
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        int x;
        cin>>x;
        if(x>0&&x<10){
            cout<<"YES"<<"\n";
        }else{
            int s=x;
            while(s!=0){
                s/=10;
                if(s/10==0){
                    break;
                }
            }
            if(s==x%10){
                cout<<"YES"<<endl;
            }else{
                cout<<"NO"<<"\n";
            }
        }
    }
    return 0;
}