In C complier $,$ solve the following code snippet how many times will the statement a$=$a; be executed?

for $($i $=4$; i $<=19$; $++$i$)$

for $($j $=38$; j $>=28$; $--$j$)$

for $($k $=47$; k $<=56$; $++$k$)$

a $=$ a ;