A,B=map(int,input().split())
D=30
A*=10**D
a=str(abs(A)//abs(B))
a='0'*(D+1-len(a))+a
if(A<0)^(B<0):a='-'+a
a=a[:-D]+'.'+a[-D:]
while a[-1]=='0':a=a[:-1]
if a[-1]<'0':a=a[:-1]
print(a)