fixed macro path

Ex1_Intro_V5.tex

@@ -9,7 +9,7 @@
 \usepackage{bm, amssymb}
 \renewcommand*{\thesection}{Problem~\arabic{section}:}
 \renewcommand{\labelenumi}{(\alph{enumi})}
-\input{../mlbp17_macros}
+\input{mlbp17_macros}
 
 \title{CS-E3210- Machine Learning Basic Principles \\ Home Assignment 1 - ``Introduction''}
 \begin{document}