#include<bits/stdc++.h>
using namespace std;
int a[10]={20104,20063,19892,20011,19874,20199,19898,20163,19956,19841};
string s;
int main(){
	//freopen("pai.in","r",stdin);
	//freopen("pai.out","w",stdout);
	cin>>s;
	for(int i=0;i<200002;i++)a[s[i]-'0']--;
	for(int i=0;i<10;i++)if(a[i]==-1){cout<<i<<" ";break;}
	for(int i=0;i<10;i++)if(a[i]==1){cout<<i<<" ";break;}
	return 0;
}