water

#include<bits/stdc++.h>
using namespace std;

int main(){
	int a,b;
	cin>>a>>b;
	double biaozhun=0.9*(a-100);
	if(biaozhun*1.1<b){
        cout<<"fat";
        return 0;
    }
	if(biaozhun*0.9>b){
        cout<<"thin";
        return 0;
    }
	else cout<<"standard";
	return 0;
}