题目描述
Welcome to PC Koshien, players. At PC Koshien, competitions are currently being held in a total of three categories: programming category, mobile category, and Ichimai's picture CG category.
Given the number of participants in each department, create a program that calculates the total number of participants.
Input
The input is given in the following format.
p m c
The input is one line, the number of participants in the programming department p (0 ≤ p ≤ 10000), the number of participants in the mobile department m (0 ≤ m ≤ 10000), the number of participants in the Ichimai picture CG department c (0) ≤ c ≤ 10000) is given.
Output
Output the total number of participants on one line.
Examples
Input
10 10 20
Output
40
Input
100 0 0
Output
100
Input
1000 1000 1000
Output
3000
输入格式
见题面
输出格式
见题面