java - Addition in Struts2 JSP -

if number less 10 want print 01,02,etc. otherwise is. i'm trying below code. problem displays 1,2,etc. partial code.

 <s:set var="cnt" value="1" />  <s:set var="total" value="1" />  <s:set value="0" var="keypattern"/>  <s:set var="cnt1" value="10" />   <s:iterator begin="1" end="%{itotalweeks}">  <s:iterator begin="1" end="7">  <s:if test='(#cnt-weekstartday+1)<#cnt1'>    <s:set var="day" value='%{#keypattern+(#cnt-weekstartday+#total)}'/>  </s:if>  <s:else>  <s:set var="day" value="%{(#cnt-weekstartday+1)}"/>  </s:else>  <s:set var="cnt" value="%{#cnt + 1}"/>  </s:iterator>  </s:iterator> 

where 'weekstartday' action variable. if set

   <s:set value="'0'" var="keypattern"/>   

then print 001,011,etc.