fork download
  1. def denovo():
  2. s = input()
  3. if s in ('S', 'N'):
  4. return s
  5. else:
  6. denovo()
  7.  
  8. denovo()
Runtime error #stdin #stdout #stderr 0.02s 10000KB
stdin
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stdout
Standard output is empty
stderr
Fatal Python error: Cannot recover from stack overflow.

Current thread 0x00002b3f0dfc9740 (most recent call first):
  File "./prog.py", line 2 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  File "./prog.py", line 6 in denovo
  ...