#include<iostream> using namespace std; int main(){ /** int sum; int y; cin>>y>>sum; for(int i = y;i<=y;i++){ if(y % 400 == 0 ||(i%100 !=0 && i%4 == 0)){ sum = sum*1.2; }else sum = sum*1.3; } cout<<sum; int n = 111; for(int i = 1;i<10;i++){ cout<<n<<endl; n+=111; } int a,b,c,n,p; cin>>n; a = n /100; b = n /10 %10; c = n %10; if(a > b){ p = a; a = b; b = p; } if(a > c){ p = a; a = c; c = p; } if(b > c){ p = b; b = c; c = p; } cout<<a * 100 + b * 10 + c; **/ int n; int q,re = 0; cin>>n; q = n; while(q!=0){ re = re * 10 + q % 10; q = q / 10; } if(n == re){ cout<<"YES"; }else{ cout<<"NO"; } return 0; }