Project Euler #13: Large sum

_{This problem is a programming version of Problem 13 from projecteuler.net}

Work out the first ten digits of the sum of numbers.

Input Format

First line contains , next lines contain a 50 digit number each.

Constraints

Output Format

Print only first 10 digit of the final sum

Sample Input

5
37107287533902102798797998220837590246510135740250
46376937677490009712648124896970078050417018260538
74324986199524741059474233309513058123726617309629
91942213363574161572522430563301811072406154908250
23067588207539346171171980310421047513778063246676

Sample Output

2728190129

Explanation

Summing the numbers we get , first 10 digits are .