#include<bits/stdc++.h>
using namespace std;
using ll = long long int;
using ld = long double;
#define pow(n,m) powl(n,m)
#define sqrt(n) sqrtl(n)
const ll MAX = 5000000000000000000;
const ll MOD = 1000000007;
random_device rd;
mt19937 mt(rd());
int main(){
	vector<ll> A = {20104,20063,19892,20011,19874,20199,19898,20163,19956,19841};
	string S;
	cin >> S;
	for(ll i = 0;i < S.size();i++) A[S[i] - '0']--;
	for(ll i = 0;i < 10;i++) if(A[i] == -1) cout << i << " ";
	for(ll i = 0;i < 10;i++) if(A[i] == 1) cout << i << endl;
}