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P1000 A+B Problem (En)

Difficulty: \(\color{grey}250\)

Problem Statement

You have two numbers \(a\) and \(b\). You need to print the sum \(a + b\).

It is easy, right? So please print the output in English words!

Constraints

• \(0 \le a+b \le 10^4-1\)

Input

\(a\ b\)

Output

\(a+b\)

Samples

Input 1

1 1

Output 1

two

Input 2

1511 444

Output 2

one thousand nine hundred and fifty-five

Note that there isn't an and between thousand and hundred，but there is an and between hundred and ten、twenty and so on.