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import cp_library.__header__
import cp_library.ds.__header__
import cp_library.ds.array.__header__
from array import array
def i64a(init = None): return array('q') if init is None else array('q', init) # signed long long
'''
╺━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╸
https://kobejean.github.io/cp-library
'''
from array import array
def i64a(init = None): return array('q') if init is None else array('q', init) # signed long long