a,b = map(int,input().split())
xx=(a*10**50)//(b)
x=str(a//b)
z=50-len(str(xx))
#print(xx)
t=str(7/3).find('.')
if x=='0':
    ans='0'+'.'+'0'*z+str(xx)
else:
    ans=str(xx)[:t]+'.'+str(xx)[t:]

print(ans[:52])