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

for $($i $=6$; i $<=19$; $++$i$)$

for $($j $=33$; j $>=26$; $--$j$)$

for $($k $=47$; k $<=53$; $++$k$)$

a $=$ a ;