def f():
n = int(input())
numbers = [int(input()) for i in range(n)]
return sum(numbers)
===== PascalABC.NET =====
begin
var x := 12.0;
while x <= 15.1 do
begin
var y := Sin(x) - x ** 2;
Writeln(x:4:1, y:16:9);
x += 0.2
end;
end.
Uses GraphABC;
begin
line(300,50,300,450);
line(150,250,550,250);
line(300,50,295,60);
line(300,50,305,60);
line(550,250,540,245);
line(550,250,540,255);
<span>end.</span>