#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int n,n1,sum; cin>>n; for(int i=1;i<=n;i++){ n1=n; sum=0; while(n1!=0){ sum=sum*10+n1%10; n1/=10; if(sum==i){ cout<<i<<endl; } } } return 0; }