n,m=map(int,input().split())

F=[]

x=m
for i in range(2,10**6):
    if x%i==0:
        F.append(i)
        while x%i==0:
            x//=i
if x!=1:
    F.append(x)

A=[]

for f in F:
    s=0

    for i in range(1,100):
        k=n//(f**i)

        if k==0:
            break
        else:
            s+=k

    A.append(s)

a=min(A)

if n<=100:
    ANS=1
    for i in range(1,n+1):
        ANS*=i

    ANS//=(m**a)

    #print(ANS)

    S=str(ANS)
    S=S[0]+"."+S[1:]
    print(S,end="")
    print("e",end="")
    print(len(S)-2)

else:
    from math import pi,e,sqrt,log10

    ANS=log10(sqrt(2*pi*n))+n*log10(n/e) - a* log10(m)

    u=int(ANS)
    ANS-=u
    S=10**ANS

    print(S,end="")
    print("e",end="")
    print(u)