Point mass from a cdf jump

Let $X$ be a random variable with distribution function $F$, such that $\lim_{h \to 0^-} F(3 + h) = \frac{1}{4}$ and $F(3) = \frac{3}{4}$. Then $16 \operatorname{Pr}(X = 3)$ equals __________ (answer in integer).