while (n <= 20) : (n += 1) {
// The '%' symbol is the "modulo" operator and it
// returns the remainder after division.
- if (n % 3 == 0) ???;
- if (n % 5 == 0) ???;
+ if (n % 3 == 0) continue;
+ if (n % 5 == 0) continue;
std.debug.print("{} ", .{n});
}