#WAP that print the factorial of a no...e.g. 10
'''
f=1
for i in range(1,11):
    f=f*i
print(f)
'''
#WAP that print the factorial of a no from 1 to 10
'''
f=1
for i in range(1,11):
    f=f*i
    print(f)
'''
#----------------------------------------------------
# WAP n n2 n3 n4 n5....
'''
import math
n=int(input("enter any no"))
p=int(input("enter the power"))
for i in range(p+1):
    #d=int(math.pow(n,i)) 
    d=n**i
    print(d)
'''
#----------------------------------------------------------
'''Choice based/menu driven program
while True:
    print("1. print the series")
    print("2. area of rectangle")
    print("3. factorial of a no")
    print("4.exit")
    ch=int(input("enter the choice "))
    if ch==1:
        import math
        n=int(input("enter any no"))
        p=int(input("enter the power"))
        for i in range(p+1):
            #d=int(math.pow(n,i)) 
            d=n**i
            print(d)
    elif (ch==2):
        l=int(input("enter length"))
        b=int(input("enter breadth"))
        print("area of rectangle",l*b)
    elif ch==3:
        n=int(input("enter a no"))
        f=1
        for i in range(1,n+1):
            f=f*i
        print(f)
    elif ch==4:
        break
'''
#------------------------------------------------
'''Choice based/menu driven program
print()
print("1. print the series")
print("2. area of rectangle")
print("3. factorial of a no")
ch=int(input("enter the choice "))
if ch==1:
    import math
    n=int(input("enter any no"))
    p=int(input("enter the power"))
    for i in range(p+1):
        #d=int(math.pow(n,i)) 
        d=n**i
        print(d)
elif (ch==2):
    l=int(input("enter length"))
    b=int(input("enter breadth"))
    print("area of rectangle",l*b)
elif ch==3:
    n=int(input("enter a no"))
    f=1
    for i in range(1,n+1):
        f=f*i
    print(f)
else:
    print("enter valid choice")
'''
#----------------------------------------------
#Write a program  to display the n terms of series and their sum. 
#1 + 1/2 + 1/3 + 1/4 + 1/5 ... 1/n terms
'''
n=int(input("enter any no"))
s=0
for i in range(1,n+1):
    s=s+ 1/i
    print(s)
'''
##Write a program  to display the n terms of series and their sum. 
#1 + 1/22 + 1/32 + 1/42 + 1/52 ... 1/n2 terms
'''
n=int(input("enter any no"))
s=0
for i in range(1,n+1):
    s=s+ (1/i)**2
    print(s)
'''    
#------------------------------------------------------
##Write a program  to display the n terms of series and their sum. 
#1 + 1/22 + 1/33 + 1/44 + 1/55 ... 1/nn terms
n=int(input("enter any no"))
s=0
for i in range(1,n+1):
    s=s+ (1/i)**i
    print(s)