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