uses crt;
var i,j:byte;
a: array [1..4,0..11] of real;
begin
for j:=1 to 4 do
begin
for i:=1 to 10 do
begin
write('Diem cua nguoi ',i,' to ',j,': );readln(a[j,i]);
a[j,11]:=a[j,11]+a[j,i]/10;
end;
for i:=1 to 4 do if a[i,11]> a[j,11] then inc(a[j,0]);
end;
for j:=1 to 4 do
writeln('Diem TB to ',j,' :',a[j,11]:0:2,', xep thu ',a[j,0]:0:0);
readln;
end.