Killjee has $N$ songs in his player. Initial volume of his player is $X$ and highest volume Killjee can hear is $Y$, After playing $i_{th}$ song killjee can increase the volume of player by $A_{i}$.

Can you tell killjee what maximum volume he can achieve without hurting his ears.

INPUT

First line of input contains 3 space separated integer $X$, $Y$, $N$. Second line contains $N$ space separated integers $i_{th}$ of which is $A_i$.

OUTPUT

Print highest volume that can be achieved.

CONSTRAINTS

$1 \le X,Y,A_{i} \le 10^5$

$X \le Y$

$1 \le N \le 10^3$