#include<iostream> using namespace std; int main() { int n; cin>>n; int temp = 0; int num = 0; int mxx = 0; for(int i=1;i<=n;i++){ mxx = i; num = 0; while(mxx){ temp = mxx % 10; mxx = mxx / 10; num = num * 10 + temp; } if( i == num){ cout<<i<<endl; } } }