#include<bits/stdc++.h>

using namespace std;

int main()

{

int a,b,z;

cin >> a >> b;

z=(a-100)*0.9;

if(z>b*1.1)

{

cout << "fat";

}

if(z<b*0.9)

{

cout << "thin";

}

else cout << "standard";

return 0;

}