uses crt;
var A:array[1..15] of integer;
i,max,dem:integer;
begin
clrscr;
writeln('Nhap gia tri cua 15 so');
for i:=1 to 15 do
begin
write('So thu ',i,': ');
readln(A[i]);
end;
max:=A[1];
for i:=2 to 15 do
if A[i]>max then max:=A[i];
dem:=0;
for i:=1 to n do
if A[i]=max then dem=dem+1;
writeln('So lon nhat la: ',max);
writeln('Co ',dem,' gia tri bang so lon nhat');
readln
end.