#include<bits/stdc++.h>
#include<iostream>
#include<vector>
using namespace std;
int n;
string s="moo",o="ooo";
int cycle(int x,string o,string s){
	if(x>n)return 0;
	o+='o';
	s=s+'m'+o+s;
	return cycle(x+1,o,s);
}
int main(){
	cin>>n;
	cycle(1,o,s);
	cout<<s[n-1]<<endl;
	return 0;
}