M=10**50
A,B=map(int, input().split())
A*=M
x=A//B
s=x//M
s=str(s)
l=len(s) if s!="0" else 0
S=str(x)
t=""

for i in range(50):
    if l+i<len(S):
        t+=S[l+i]
    else:
        t+="0"


print(s+"."+t)