size(633,400);

line(633/2,0,633/2,400);

line(633/2 - 10,0,633/2 - 10,400);

line(633/2 + 10,0,633/2 + 10,400);


println(633/2.0 + 10);
println("hello");
println("coucou " + 16);
println("633/2.0 + 10 égale " + (633/2.0 + 10));