import decimal

T,X=list(map(int,input().split()))

print(('{:.8f}'.format(T/X)))
T,X=list(map(float,input().split()))

print((T/X))
import decimal

T, X = list(map(int, input().split()))
print(("{:.8f}".format(T / X)))

T, X = list(map(float, input().split()))
print((T / X))

-import decimal - -T, X = list(map(int, input().split())) -print(("{:.8f}".format(T / X))) +T, X = list(map(float, input().split())) +print((T / X))