Let \( f(x) = \min \{ 1, 1 + x \sin x \} \), \( 0 \leq x \leq 2\pi \). If \( m \) is the number of points, where \( f \) is not differential and \( n \) is the number of points, where \( f \) is not continuous, then the ordered pair \( (m, n) \) is equal to: