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Competitions

# Perimeter of triangle

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

#### Input

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

#### Output

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

Time limit 1 second
Memory limit 128 MiB
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