from decimal import Decimal,ROUND_HALF_DOWN,getcontext
a,b=input().split()
getcontext().prec=51
ans=Decimal(Decimal(a)/Decimal(b))
ans=str(ans)
if len(ans)<52:
    if not "." in ans:
        ans+="."
    while len(ans)<52:
        ans+="0"

print(ans[:52])