#include<bits/stdc++.h> using namespace std; int main(){ int s,t,b; cin>>s>>t; b=(s-100)*0.9; if(t>=(s-100)*0.9&&t<(s-100)*1.1){ cout<<"fat"; } if(t<(s-100)*0.9){ cout<<"thin"; } if(t==b){ cout<<"standard"; } return 0; }