#include<bits/stdc++.h> using namespace std; int main(){ int num,shu,cou; cin>>num; while(num){ cin>>shu; while(shu){ cou=shu%10; if(cou==0||cou==1) cout<<'O'; else if(cou==2||cou==3) cout<<'T'; else if(cou==4||cou==5) cout<<'F'; else if(cou==6||cou==7) cout<<'S'; else if(cou==8) cout<<'E'; else cout<<'N'; shu/=10; } cout<<endl; num--; } return 0; }