#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <set>


#define rep(i,j,k) for(int i=j;i<k;i++)
#define Sort(x) sort(x.begin(),x.end())
#define mp make_pair
#define pb push_back 
#define ll long long

using namespace std;


int main(){
int n;
cin>>n;
if(!n%8)cout<<"iki"<<endl;
else if(!n%10)cout<<"sugi"<<endl;
else if(!n%8 && !n%10) cout<<"ikisugi"<<endl;
else cout<<n/3<<endl;

return 0;
}