#include <bits/stdc++.h>
using namespace std;
int n; string s1, s2;
int main (){
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
cin >> n;
if (n>1) cout << "nemoguce";
else {
cin >> s1 >> s2;
if (s1=="000" and s2=="000") cout << "111" << endl << "222";
else if (s1=="000" and s2=="...") cout << s1 << endl << s2;
else if (s1==".00" and s2=="..0") cout << s1 << endl << s2;
else if (s1=="..0" and s2==".00") cout << s1 << endl << s2;
else if (s1=="..." and s2=="000") cout << s1 << endl << s2;
else if (s1=="0.." and s2=="00.") cout << s1 << endl << s2;
else if (s1=="00." and s2=="0..") cout << s1 << endl << s2;
else cout << "nemoguce";
}
return 0;
}
