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  1. import math
  2. arr = list(map(int, input().split()))
  3. n = len(arr)
  4. ans = arr[0]
  5. for x in arr[1:]:
  6. ans = math.gcd(ans, x)
  7. print(ans)
Success #stdin #stdout 0.06s 14220KB
stdin
4 20 8 16 100
stdout
4