#include<bits/stdc++.h>
using namespace std;
int main(){
	string s;
	getline(cin,s);
	for(int i=1;i<=s.size();i++){
		if(s[i]=='\\'){
			if(s[i+1]=='n'){cout<<"linux";return 0;}
			else{
				if(s[i+2]=='\\'||s[i+3]=='n'){cout<<"windows";return 0;}
				else {cout<<"mac";return 0;}
			}
		}
	}
}