#include<bits/stdc++.h>
using namespace std;
string arr;
string brr; 
int main()
{
	arr="momo";
	int x,y;
	cin>>x>>y;
	while(arr.size()<y)
	{
		brr+="o";
		arr=arr+brr+"m"+arr;
	}
	for(int i=x-1;i<y;i++)
	{
		cout<<arr[i];
	}
}