a=list(input().split())

T=int(a[0])

X=int(a[1])

print(("{:.5f}".format(T/X)))
a,b=list(input().split())

T=int(a)

X=int(b)

print((T/X))
a = list(input().split())
T = int(a[0])
X = int(a[1])
print(("{:.5f}".format(T / X)))

a, b = list(input().split())
T = int(a)
X = int(b)
print((T / X))

-a = list(input().split()) -T = int(a[0]) -X = int(a[1]) -print(("{:.5f}".format(T / X))) +a, b = list(input().split()) +T = int(a) +X = int(b) +print((T / X))