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Problems

Perimeter of triangle

Perimeter of triangle

Time limit 1 second
Memory limit 128 MiB

The sides of triangle are given. Find the perimeter of triangle.

Input data

Consists of multiple tests. Each line contains the lengths of three sides of triangle. The lengths are positive real numbers.

Output data

For each test print in a separate line the perimeter of triangle with 4 decimal digits.

Examples

Input example #1
6.23 5.123 7.32141
2.12 4 3.012
3 3 3.033
Output example #1
18.6744
9.1320
9.0330