n= int(input())
print(n*n)
n=int(input())
s=n*(n+1)//2
print(s*s)
n=int(input())
s=n*n*(n+1)*(n+1)*(2*n*n+2*n-1)//12
print (s)
n=int(input())
s=n*(n+1)*(n+2)//3
print(s)
n=int(input())
s=n/(n+1.0)
print(s)
n=int(input())
s=n/(n+1.0)
print(s)
n=int(input())
s=n*(n+2)/((n+1)**2)
print(s)
p = int(input())
n = int(input())
s = (p**(n+1)-1)//(p-1)
print(s)
n=int(input())
p=int(input())
s=(n+1)*p**(n+1)/(p-1)-(p**(n+1)-1)/((p-1)**2)
print(s)
n=int(input())
if n % 2 == 0:
print("N chan")
else:
print("N le")
n=int(input())
if (n%3==0) and (n%5==0):
print("True")
else:
print("False")
a=int(input())
b=int(input())
rmax=a
if rmax<b:
rmax=b
print(rmax)
a=int(input())
b=int(input())
c=int(input())
rmin=a
if rmin > b:
rmin = b
if rmin > c:
rmin = c
print(rmin)
a=int(input())
b=int(input())
c=int(input())
m=a+b
n=b+c
p=a+c
rmax=m
if rmax < n:
rmax = n
if rmax < p:
rmax = p
print(rmax)