You cannot submit for this problem because the contest is ended. You can click "Open in Problem Set" to view this problem in normal mode.

说明

给定$3$个整数$a$、$b$、$c$，计算表达式$(a+b)×c$的值。

输入格式

输入仅一行，包括三个整数$a$、$b$、$c$, 数与数之间以一个空格分开。(-10,000< a,b,c<10,000)

输出格式

输出一行，即表达式的值。

样例

2 3 5

25