A. Zaglol welcoming
time limit per test
1 second
memory limit per test
256 megabytes
input
standard input
output
standard output

Welcome to FCDS contest. You are given a string $$$s$$$. Your task is to print $$$FCDS$$$ regardless of the input.

Input

The first line contains a string $$$s$$$.

Output

Print $$$FCDS$$$

Example
Input
baraa
Output
FCDS