--[[     Options start here     ]]
local M="CHAT_MSG_SYSTEM" 
function MS(msg)
   SendChatMessage(msg)
end
function yz() 
	if (event==M) then 
local zj=string.find(arg1, "答题时间")
    if(zj) then
          end
local s1=arg1
local zj=string.find(s1, "+")
    if(zj) then
local s=arg1
local z="+"
local y="?="
local param1, param2 = string.find(s, z) 
local m = string.len(s) 
s=string.sub(s,param2+1)
local ts = string.reverse(s)
    local param1, param2 = string.find(ts, y) 
    local m = string.len(s) - param2 + 1   
    local hou
    if (y == false) then
    	hou = string.sub(s, m+1, string.len(s)) 
    else
    	hou = string.sub(s, 1-1, m-1) 
    end
local s=arg1
local z=":"
local y="+"
local param1, param2 = string.find(s, z) 
local m = string.len(s) 
s=string.sub(s,param2+1)
local ts = string.reverse(s)
    local param1, param2 = string.find(ts, y) 
    local m = string.len(s) - param2 + 1   
    local qian
    if (strchar == false) then
    	qian = string.sub(s, m+11, string.len(s))
    else
    	qian = string.sub(s, 1+10, m-1) 
    end
print(qian,"+",hou,"=",qian+hou) 
MS(tostring(qian+hou))
    else
local s=arg1
local z="-"
local y="?="
local param1, param2 = string.find(s, z) 
local m = string.len(s) 
s=string.sub(s,param2+1)
local ts = string.reverse(s)
    local param1, param2 = string.find(ts, y) 
    local m = string.len(s) - param2 + 1   
    local hou
    if (strchar == false) then
    	hou = string.sub(s, m+1, string.len(s)) 
    else
    	hou = string.sub(s, 1-1, m-1) 
    end
local s=arg1
local z=":"
local y="-"
local param1, param2 = string.find(s, z) 
local m = string.len(s) 
s=string.sub(s,param2+1)
local ts = string.reverse(s)
    local param1, param2 = string.find(ts, y) 
    local m = string.len(s) - param2 + 1   
    local qian
    if (strchar == false) then
    	qian = string.sub(s, m+10, string.len(s)) 
    else
    	qian = string.sub(s, 1+10, m-1) 
    end
print(qian,"-",hou,"=",qian-hou) 
MS(tostring(qian-hou))
    end
	end 
end 
local F=CreateFrame("Frame") 
F:SetScript("OnEvent",yz) 
F:RegisterEvent(M)