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  1. def task():
  2. amin=None
  3. while(True):
  4. str_inp=input()
  5. if str_inp=="." : return amin
  6. a=int(str_inp)
  7. if (amin==None) and (a >0) : amin=a
  8. if (a < amin) and (a > 0) : amin=a
  9. return amin
  10.  
  11. print(task())
  12.  
  13.  
  14.  
Success #stdin #stdout 0.02s 9424KB
stdin
12
34
-7
1
.

stdout
1