int (operator +) (int x, int y); boolean (operator <) (int x, int y); boolean (operator &&) (boolean x, boolean y); int min2 (int x, int y); int fun (t1 x, t2 y); p < (q < r) (p < q) && (q < r) min2 (min2 (1, a), b) fun (fun (c, d), c)