program lat_kvadrat;
var a:array[1..5,1..5] of integer;
i, j, k, n, l: integer;
f: text;
s, All: set of byte;
begin
assign(f,'lat.dat');
reset(f);
readln(f,n);
for i:=1 to n do begin
for j:=1 to n do
Read(f,a[i,j]);
Readln(f);
end;
close(f);
All:= [1];
For i:=2 to n do
All:=All+[i]; //подготовка множества для сравнения
For i:=1 to n do //проверка по строкам
begin
s:= [];
for j:=1 to n do s:= s + [a[i,j]];
if s<>All then
begin
writeln('non-latin');
halt;
end;
end;
for j:=1 to n do //проверка по столбцам
begin
s:= [];
for i:=1 to n do
s:= s + [a[i,j]];
if s<>All then
begin
writeln('non-latin');
halt;
end;
end;
Writeln('latin');
// readln;
end.
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