var a = 12;
var b = a * 2;

{
  var b = a * 3;
  a = 42;
  print b;
}

print a;
print b;

if (5 > 4)
  print "it's true";
else
  print "it's false";

if (false)
  print "it's not true";

if (true and false)
  print "won't happen";

if (true or false)
  print "will happen";

var n = 5;
while (n > 0) {
  print "counting down";
  n = n - 1;
}

for(var i = 0; i < 10; i = i + 1)
  print "bla";
