Welcome to PC Koshien, all the competitors. At the PC Koshien, there are currently three divisions of competition: the Programming Division, the Mobile Division, and the One Picture CG Division.
The number of participants in each category is given. Write a program to calculate the total number of participants.
Input is given in the following format.
p m c
The input is a single line, giving the number of participants p (0 ≤ p ≤ 10000) in the programming division, the number of participants m (0 ≤ m ≤ 10000) in the mobile division, and the number of participants c (0 ≤ c ≤ 10000) in the one picture CG division.
Outputs the total number of participants on one line.
10 10 20
40
100 0 0
100
1000 1000 1000
3000