uses crt;
var a,s,i:integer;
begin
clrscr;
a:=20;
s:=0;
for i:=1 to 5 do
begin
s:=s+a;
a:=a+2;
end;
writeln(s);
readln;
end.
uses crt;
var a,s,i:integer;
begin
clrscr;
a:=20;
s:=0;
for i:=1 to 5 do
begin
s:=s+a;
a:=a+2;
end;
writeln(s);
readln;
end.