int $pm=9$;

if$($pNum $>=2)$

if$($pNum $>=7)$

System.out.print$("2")$;

if$($pNum $<mtext\; id="EditorElement\_8693137"></mtext><mn\; id="EditorElement\_8693138">2</mn><mi\; id="EditorElement\_8693139">)</mi>$

System.out.print$("3")$;

System.out.print$("4")$;