#include<cstdio>
#include<algorithm>
#include<cstring>
#include<string>
#include<iostream>
using namespace std;
string a;
int main() 
{
    getline(cin,a);
    for(int i=0;i<=a.length();i++)
    {
        if(a[i]==92&&a[i+1]=='n')
        {
            cout<<"linux";
            return 0;
        }
        if(a[i]==92&&a[i+1]=='r')
        {
            cout<<"mac";
            return 0;
        }
        if(a[i]==92&&a[i+1]=='r'&&a[i+2]==92&&a[i+3]=='n')
        {
            cout<<"windows";
            return 0;
        }
    }
}