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