function f(x){return x.replace("?",o[i][0]).replace("?",o[i][1])}
for(o=["++","+-","--","-+"];s=readline();)for([e,a]=s.split(" = "),i=0;i<4;i++)if(eval(f(e))==a)print(f(s))
Note that non-ascii characters in the above source code will be escaped (such as \x9f).