uses crt;

var a:array[1..100]of integer;

i,n,t:integer;

begin

clrscr;

write('Nhap n='); readln(n);</p><p>for i:=1 to n do</p><p>begin</p><p>write('A[',i,']='); readln(a[i]);

end;

t:=0;

for i:=1 to n do 

  if a[i] mod 3=0 then t:=t+a[i];

writeln('Tong cac so chia het cho ',3,' la: ',t);

readln;

end.