# Step $1$: Check if the year is divisible by $4$

if input$\_$year $\%4==0$:

# Step $2$: Check if the year is a century year

if input$\_$year $\%100==0$:

# Step $3$: Check if the year is divisible by $400$

if input$\_$year $\%400==0$:

# Step $4$: Set the is$\_$leap$\_$year variable to True

is$\_$leap$\_$year $=$ True

else:

# Step $4$: Set the is$\_$leap$\_$year variable to True

is$\_$leap$\_$year $=$ True

# Step $5$: Print the result

if is$\_$leap$\_$year:

print$($f$"\{$input$\_$year$\}-$ leap year"$)$

else:

print$($f$"\{$input$\_$year$\}-$ not a leap year"$)$