A,B=map(int,input().split())
ans=[]
if A*B<0:
    ans.append('-')
A=abs(A)
B=abs(B)
ans.append(str(A//B))
ans.append('.')
A%=B
for k in range(1,40):
    d=10**k*A//B%10
    ans.append(str(d))
print(''.join(ans))