block data init
    implicit integer (a-z)
    common /range/ x0, x1
    data x0, x1/1, 10/
end block data init


program block_data1
implicit integer (a-z)
common /range/ x0, x1
print *, "Printing Even number in the Range: ", x0, " to ", x1
do i = x0, x1
    if (mod(i, 2) /= 0) then
        cycle
    end if
    write(*, *) i
end do
end program block_data1
