package main import."os"func main(){b,i,n:=[]byte{1},1,0;for i>0{i,_=Stdin.Read(b);k,c:=int(b[0]),"+";if n>k{n,c=2*k-n,"-"}for;n<k;n++{print(c)}print("."[0:i])}}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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