n=int(input())
x=["jolteon", "flareon", "umbreon", "leafeon", "glaceon", "sylveon"]
mm=input()
if n==6:
print("espeon")
elif n==8:
print("vaporeon")
else:
for i in range(len(x)):
ff=1
for j in range(len(x[i])):
if mm[j]!='.' and x[i][j]!=mm[j]:
ff=0
break
if ff==1:
print(x[i])
break#include <bits/stdc++.h>
using namespace std;
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n;
string s,ss;
cin >> n >> s;
string a[8]={"vaporeon", "jolteon", "flareon", "espeon", "umbreon", "leafeon", "glaceon", "sylveon"};
for(int i=0;i<8;i++){
ss=s;
for(int j=0;j<n;j++){
if(ss[j]=='.'){
ss[j]=a[i][j];
}
}
if(ss==a[i]){
cout << a[i];
return 0;
}
}
return 0;
}1658B - Marin and Anti-coprime Permutation | 14B - Young Photographer |
143A - Help Vasilisa the Wise 2 | 320A - Magic Numbers |
1658A - Marin and Photoshoot | 514A - Chewbaсca and Number |
382A - Ksenia and Pan Scales | 734B - Anton and Digits |
1080A - Petya and Origami | 1642D - Repetitions Decoding |
1440A - Buy the String | 1658F - Juju and Binary String |
478A - Initial Bet | 981A - Antipalindrome |
365A - Good Number | 1204B - Mislove Has Lost an Array |
1409D - Decrease the Sum of Digits | 1476E - Pattern Matching |
1107A - Digits Sequence Dividing | 1348A - Phoenix and Balance |
1343B - Balanced Array | 1186A - Vus the Cossack and a Contest |
1494A - ABC String | 1606A - AB Balance |
1658C - Shinju and the Lost Permutation | 1547C - Pair Programming |
550A - Two Substrings | 797B - Odd sum |
1093A - Dice Rolling | 1360B - Honest Coach |