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  1. #URI
  2. #Problem 1958
  3.  
  4. f = float(input())
  5. if(f>0):
  6. print("+",end="")
  7. sn= "{:.4E}".format(f)
  8. print(sn)
  9.  
Success #stdin #stdout 0.02s 9188KB
stdin
-10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
stdout
-1.0000E+100