  We successively pass two $V$-type three-level atoms through a single-mode
cavity field. Considering the field to be initially in a classical state, we
evaluate various statistical properties such as the quasiprobability $Q$
function, Wigner distribution, Mandel's $Q$ parameter and normal squeezing of
the resulted field. We notice that the sequential crossing of atoms induces
nonclassicality into the character of a pure classical state (coherent field).
The initial thermal field shows sub-Poissonian as well as squeezing property
after interacting with the $V$ atoms.
