王亭婷

def compute(a):
    return min(a)

n=[0,0,0,0,0,0]
for i in range(6):
    n[i]=int(input())

p=[0,0,0]
for i in range(3):
    p[i]=n[i]/n[i+3]

t=compute(p)
print(f"{t:.3f}")