






import io
import json
import subprocess


_snake_case					   =     [
    ['en', 'ru'],
    ['ru', 'en'],
    ['en', 'de'],
    ['de', 'en'],
]

_snake_case					   =     8

def     lowerCAmelCase__  (  UpperCamelCase__  ,     UpperCamelCase__       ):



  '''simple docstring'''
  _a						: List[Any]    =			{}
  for src, tgt in pairs:
    _a						: str    =			F"""{src}-{tgt}"""
    _a						: Any    =			F"""sacrebleu -t wmt19 -l {pair} --echo src""".split()
    _a						: Any    =			subprocess.run(UpperCamelCase__  ,     stdout=subprocess.PIPE       ).stdout.decode("""utf-8"""       ).splitlines()
    _a						: Any    =			F"""sacrebleu -t wmt19 -l {pair} --echo ref""".split()
    _a						: Optional[int]    =			subprocess.run(UpperCamelCase__  ,     stdout=subprocess.PIPE       ).stdout.decode("""utf-8"""       ).splitlines()
    _a						: int    =			{"""src""": src_lines[:n_objs], """tgt""": tgt_lines[:n_objs]}
  return text


_snake_case					   =     get_all_data(pairs, n_objs)
_snake_case					   =     './fsmt_val_data.json'
with io.open(filename, 'w', encoding='utf-8') as f:
 _snake_case					   =     json.dump(text, f, indent=2, ensure_ascii=False)









"""simple docstring"""




from __future__ import annotations

import sys

def     lowerCAmelCase__  (  UpperCamelCase__       ):



  '''simple docstring'''
  if n < 0:
    raise ValueError("""Negative arguments are not supported"""       )
  return _fib(UpperCamelCase__       )[0]

def     lowerCAmelCase__  (  UpperCamelCase__       ):



  '''simple docstring'''
  if n == 0:  # (F(0), F(1))
    return (0, 1)

  # F(2n) = F(n)[2F(n+1) − F(n)]
  # F(2n+1) = F(n+1)^2+F(n)^2
  _a   ,						_a						: Dict    =			_fib(n // 2       )
  _a						: Dict    =			a * (b * 2 - a)
  _a						: Optional[Any]    =			a * a + b * b
  return (d, c + d) if n % 2 else (c, d)


if __name__ == "__main__":
 _snake_case					   =     int(sys.argv[1])
 print(F'''fibonacci({n}) is {fibonacci(n)}''')

