s = int(input()) for i in range(1,s+1): st = str(i) if st==st[::-1]: print(st)

#include<bits/stdc++.h> using namespace std; int main(){ int n; cin>>n; for(int i=1;i<=n;i++){ int x=0; int t=i; while(t){ x=x*10+t%10; t/=10; } if(x==i)cout<<i<<endl; } return 0; }

#include<bits/stdc++.h> using namespace std; bool func(int x){ string s = to_string(x); string rev_s = s; reverse(s.begin(),s.end()); return rev_s == s; } int main(){ int n; cin >> n; for(int i = 1;i <= n;i++){ if(func(i))cout << i << endl; } return 0; }