Problem Statement:
given three numbers a , b and c. print the total sum of the three numbers added to itself.


Input Format:
three numbers separated by bunch of spaces and/or new lines


Output Format:
Single number


Sample Input:
2 1 4


Sample Output:
14.000000





Added by: gammal
Added at: 2015-02-02 19:14:12 UTC
Time Limit: 1 second
Partial score: No