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Description

One day, a robber came to Nick's house and noted his house number—$62$, planning to return later that night. Nick saw this and swapped the tens and units digits of the house number, changing it to $26$, thus avoiding trouble. Write a program to input a two-digit number, swap the tens and units digits, and output the result.

Input Format

A two-digit house number.

Output Format

The transformed house number.

Sample

67

76