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#!/usr/bin/env python3
from collections import defaultdict
import sys
def uniq_occurrences(ints: list) -> bool:
"""Check the frequency of integers are unique
Args:
ints (list): The integers
Returns:
bool: Whether the frequency of the list is unique
"""
# Calculate the frequency of each integer
freq = defaultdict(int)
for i in ints:
freq[i] += 1
# Return if we have seen a frequency already
seen = {}
for i in freq.values():
if i in seen:
return False
seen[i] = 1
# We have a unique orrurrence list
return True
def main():
# Convert input into integers
array = [int(n) for n in sys.argv[1:]]
result = uniq_occurrences(array)
print('1' if result else '0')
if __name__ == '__main__':
main()
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