Hexadecimal

Time limit2sMemory limit128 MB

Summary
Convert a hexadecimal number of at most 6 digits into its decimal value and print it.
Level

Easy1 of 10

Topics
Math, Implementation
Solved
No attempts yet

Problem

You are given a non-negative integer written in hexadecimal. Write a program that converts it to decimal and prints the result.

Input

The first line contains one non-negative integer written in hexadecimal. Its length is at most 6, and each character is one of 0 through 9 or A through F. The letters A through F represent the values 10 through 15.

Output

Print the decimal value of the given hexadecimal number on the first line.

Examples1

  1. Example 1

    Input
    A
    Expected output
    10