program mn;{po stroke}
uses crt;
var a:array[1..100,1..100]of integer;
i,j,n,q,k,f:integer;
BEGIN
ClrScr;
Write('N:');readln(n);
Write('q:');readln(q);
randomize;
for i:=1 to n do
begin
k:=0;
for j:=1 to n do
begin
a[i,j]:=random(30);
Write(a[i,j]:4);
if a[i,j]>q
then inc(k);
end;
if k=n
then f:=1;
writeln;
end;
if f=1
then writeln('est')
else writeln('net');
readln;
END.