a, b = map(int, input().split())
q = (a*10**50)//b
q = str(q)
if len(q) <= 50:
    q = '0'*(50-len(q))+q
    ans = '0'+ '.' + q[len(q)-50:len(q)]
else:
    ans = q[0:len(q)-50] + '.' + q[len(q)-50:len(q)]
print(ans)