diff --git a/kangaroo.py b/kangaroo.py
index b89d2b5..280e8ea 100644
--- a/kangaroo.py
+++ b/kangaroo.py
@@ -11,3 +11,14 @@
 else:
     print "NO"    
     
+'''
+This can be done in another way too
+'''
+# Another way to do the same thing. This takes less lines.
+posDiff=x2-x1 
+velDiff=v1-v2
+
+if v1>v2 and posDiff%velDiff ==0:
+    print "YES"
+else:
+    print "NO"
diff --git a/triangle.py b/triangle.py
index 7017bdb..7d436ea 100644
--- a/triangle.py
+++ b/triangle.py
@@ -15,3 +15,14 @@
             print("valid")
         else:
             print("invalid")
+
+'''
+We can decrease lines by just using 'or' keyword in else section.
+'''
+
+else:
+    if ((int(l[0])+int(l[1]))%2==0) or ((int(l[0])+int(l[1])%2==0 )) or ((int(l[0])+int(l[1])%2==0 )) or (((int(l[0])+int(l[1]))%2==0)):
+        print("valid")
+    else:
+        print("invalid")
+