Problem:
Add 50 50-digit numbers.

Input Format:
There are 50 lines of input, one 50-digit number each line. Each line is terminated by the newline, and only contains numeric characters. There are no commas in the input. All input is positive and there are no positive signs in any and all lines of input.

Output Format:
At the end of the input, output the sum of the 50 numbers.
It is guaranteed that the sum is less than 55 digits. Do NOT put separators such as comma in the output.

Constraints:
Maximum value of a single input:
99,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999
Minimum value of a single input:
10,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000