You are choreographing a circus show with various animals. For one act, you are given two kangaroos on a number line ready to jump in the positive direction (i.e, toward positive infinity). The first kangaroo starts at location and moves at a rate of meters per jump. The second kangaroo starts at location and moves at a rate of meters per jump. You have to figure out a way to get both kangaroos at the same location at the same time as part of the show. If it is possible, return YES, otherwise return NO.

Example

x1=2
v1=1
x2=1
v1=2
After one jump, they are both at x=3, (x1+v1=2 , x2+v2=1+2 ), so the answer is YES.

Sample Input 0

0 3 4 2

Sample Outputnput 0

YES
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Write a program to generate a chess board of the following pattern where (*) indicates the black boxes and ( ) indicates the white boxes.

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

def increment(n): n.append([4]) return n L = [1,2] M = increament(L) print(L,M)