from decimal import Decimal, getcontext
import decimal

getcontext().prec = 100
A,B = map(int,input().split())
A = Decimal(A)
B = Decimal(B)
AB = str(A/B)
kiri = '0.'+'0'*49+'1'
print(Decimal(AB).quantize(Decimal(kiri), rounding=decimal.ROUND_DOWN))