var a,b,c,h:integer;
begin
write('a=');readln(a);
write('b=');readln(b);
write('c=');readln(c);
h:=a;
if b>h then h:=b;
if c>h then h:=c;
if h=a then writeln(a)
else writeln(a,' khong phai so lon nhat ');
readln;
end.
program kiemtraln;
uses crt;
var a,b,c: real;
begin
clrscr;
write('nhap a vao day '); read(a);
write('nhap b vao day '); read(b);
write('nhap c vao day '); read(c);
Max:=a;
if Max < b then write(a:4:3,' khong la so lon nhat') else
if Max < c then write(a:4:3,' khong la so lon nhat') else
write(a:4:3,' la so lon nhat');
readln
end.