program Mang;
uses crt;
var   a,b: array[1..10000] of integer;
         n,i: integer;
      
function dientich(a,b: integer):integer;
begin
      dientich:=a*b;
end;
function chuvi(a,b: integer):integer;
begin
      chuvi:=(a+b)*2;  
end;
begin
       clrscr;
       
       write('Nhap so hinh chu nhat= ');readln(n);
       
       for i:=1 to n do
           begin
           
              write('Chieu dai hcn thu ',i,': ');readln(a[i]);
              
              write('Chieu rong hcn thu ',i,': ');readln(b[i]);
              
           end;
        
        writeln('----------------------');
           
        for i:=1 to n do
        
             begin
                 
   writeln('Dientich hcn thu ',i,': ',dientich(a[i],b[i]));
        
        writeln('Chuvi hcn thu ',i,': ',chuvi(a[i],b[i]));
       
             end;
  readln;
end.