Among the consecutive natural numbers starting from 1, what is the 100th number that is not divisible by 3?
在从1开始的连续自然数中，第100个不能被3整除的数是多少．
<gadget id="calculator">50 - 1</gadget>
<output>49</output>

<gadget id="calculator">100 + 49</gadget>
<output>149</output>

<result>149</result>