https://www.hackerrank.com/challenges/kangaroo/problem

CONTRIBUTING.md

@@ -16,7 +16,7 @@ it will be redirected to the actual problem page)
 - Add and commit the changes. (Please do not make changes in any other file, but if you want to work on bug/improvement then add an issue first)
 - Don't forget to add your name, image url, country and the language used in contributors table in the README.md file
 - Generate a Pull Request (Optional: add problem name in the title and url to the problem in description)
-- That's it, you have successfully completed your 1 out of 5 PRs. Well Done!
+- That's it, you have successfully completed your 1 out of 4 PRs. Well Done!
 
 
 # How to Sync Forked Repo from Upstream Repo

Hackerrank/kangaroo.py

@@ -0,0 +1,19 @@
+#!/bin/python3
+import os
+
+# Complete the kangaroo function below.
+def kangaroo(x1, v1, x2, v2):
+    if v1 == v2: return "NO"  # parallel lines never cross
+    n = (x2 - x1)/(v1- v2)  # number of steps where lines intersect
+    return "YES" if n.is_integer() and n>=0 else "NO" # if intersect is a natural number
+
+if __name__ == '__main__':
+    fptr = open(os.environ['OUTPUT_PATH'], 'w')
+    x1V1X2V2 = input().split()
+    x1 = int(x1V1X2V2[0])
+    v1 = int(x1V1X2V2[1])
+    x2 = int(x1V1X2V2[2])
+    v2 = int(x1V1X2V2[3])
+    result = kangaroo(x1, v1, x2, v2)
+    fptr.write(result + '\n')
+    fptr.close()

README.md

@@ -1,4 +1,4 @@
-# Hacktoberfest
+# Hacktoberfest
 
 [![Contribution Open](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](https://github.com/ows-ali/Hacktoberfest/blob/master/CONTRIBUTING.md)
 [![Open Source Love](https://badges.frapsoft.com/os/v1/open-source.svg?v=103)](https://github.com/ows-ali/Hacktoberfest/issues)
@@ -102,6 +102,7 @@ In this repository, you can find the solutions (as source code) for the problems
 | [Nauman Chaudhary](https://github.com/nauman-chaudhary) <br> <img src="https://github.com/nauman-chaudhary.png" width="100" height="100">   | Pakistan   | Python |   |
 | [Gourav Rusiya](https://github.com/GouravRusiya30) <br> <img src="https://github.com/GouravRusiya30.png" width="100" height="100">   | India   | Java | https://www.hackerrank.com/gouravrusiya786  |
 | [Trushita Maurya](https://github.com/trushita23) <br> <img src="https://github.com/trushita23.png" width="100" height="100">   | India   | Java 
+| [Justin Giffard](https://github.com/justingiffard) <br> <img src="https://github.com/justingiffard.png" width="100" height="100">   | South Africa   | Python | https://www.hackerrank.com/justingiffard  |
 ### License
 
 [![MIT Licence](https://badges.frapsoft.com/os/mit/mit.svg?v=103)](https://github.com/ows-ali/Hacktoberfest/blob/master/LICENSE)