local imeicurrent="866547051692203"
local imeipart1="86930003"
local imeipart2=string.sub(imeicurrent,9,14)
local imeinew=imeipart1..imeipart2
function replace(num)
if(num==0) then
return 0
end
if(num==1) then
return 2
end
if(num==2) then
return 4
end
if(num==3) then
return 6
end
if(num==4) then
return 8
end
if(num==5) then
return 1
end
if(num==6) then
return 3
end
if(num==7) then
return 5
end
if(num==8) then
return 7
end
if(num==9) then
return 9
end
end
local odd1=tonumber(string.sub(imeinew,1,1))
local odd2=tonumber(string.sub(imeinew,3,3))
local odd3=tonumber(string.sub(imeinew,5,5))
local odd4=tonumber(string.sub(imeinew,7,7))
local odd5=tonumber(string.sub(imeinew,9,9))
local odd6=tonumber(string.sub(imeinew,11,11))
local odd7=tonumber(string.sub(imeinew,13,13))
local totalodd=odd1+odd2+odd3+odd4+odd5+odd6+odd7
local even1=tonumber(string.sub(imeinew,2,2))
local even2=tonumber(string.sub(imeinew,4,4))
local even3=tonumber(string.sub(imeinew,6,6))
local even4=tonumber(string.sub(imeinew,8,8))
local even5=tonumber(string.sub(imeinew,10,10))
local even6=tonumber(string.sub(imeinew,12,12))
local even7=tonumber(string.sub(imeinew,14,14))
local totaleven=replace(even1)+replace(even2)+replace(even3)+replace(even4)+replace(even5)+replace(even6)+replace(even7)
local mod=(totalodd+totaleven)%10
if(mod==0)then
print("last char 0")
else
print("last char"..10-mod)
end
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