Two integer questions. The value cannot be zero in both. How to do this?

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Dear All,
I am facing problem in the below question. Both integer....both value cannot be zero. How to make form according to this...
Q1. Total no. of event A? ___________(integer)
Q2. Total no. of event B? ____________(integer)
either one can be can be zero, but if anyone is zero the other cant be zero. Both can be greater than zero also...see below example
for example: 1,0, 3,2, 4,0, 0,2 2,2
Bout NOT: 0,0

Please find attached excel sheet... refer to yellow highlighted part...

ODK excel LBW tool-test2.xlsx (28.2 KB)

PLEASE HELP how do i write relevance/constraint?????????
email: fahad800400@gmail.com

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Hello @fahad800400 ,

Welcome to the ODK forum. We're glad you're here. When you get a chance, please introduce yourself on this forum thread. Introduce yourself here!

Regarding your issue, you can use the if condition with the note you have included in your form. See attached.
ODK excel LBW tool-test2.xlsx (34.0 KB)

See the docs for more info https://docs.getodk.org/form-logic/

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Try adding this constraint to both integer questions:

constraint: not(${CountLiveB}=0 and ${CountStillB}=0)

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thanks...it resolved the issue !!!