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  1. import sys
  2.  
  3. while True:
  4.     try:
  5.         n = int(input())
  6.         if n == 19:
  7.             print("19")
  8.             break
  9.     except:
  10.         print("IMPOSSIBLE")
  11.         break
  12.  
  13.  
Success #stdin #stdout 0.13s 14076KB
comments (?)
stdin 
2
5
2
19
4
3
stdout 
19
https://ideone.com/3OzEjF
language:
Python 3 (python  3.12)
created:
273 days ago
visibility:
public

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