#print("'"+"Hello"+"'")
#print("\"!@#$%^&*()\'")
'''
n = int(input())
print(n)
print("print(\"Hello"+"\\"+"nWorld\")")
a = input()
b = input()
a = int(a)
b = int(b)
print (a)
print (b)
a = float(input())
for i in range(3):
print(a)
a,b = input().split(":")
a = int(a)
b = int(b)
print(a,b,sep=':')
a,b = input().split("-")
print(a+b)
a = input()
print(a[0:2],a[2:4],a[4:6],sep=" ")
a,b = input().split(" ")
a = int(a)
b = int(b)
print(a-b)
a,b = input().split(" ")
b = int(b)
print(a*b)
a,b =input().split(" ")
a = int(a)
b = int(b)
print(a//b)
a = float(input())
print(format(a, ".2f"))
a,b = input().split(" ")
a = int(a)
b = int(b)
print(a+b)
print(a-b)
print(a*b)
print(a//b)
print(a%b)
print(format((a/b),".2f"))
a,b = input().split(" ")
a = int(a)
b = int(b)
if a<=b:
print(True)
else:
print(False)
n = int(input())
if n==0:
print(False)
else:
print(True)
a,b = input().split(" ")
a = bool(int(a))
b = bool(int(b))
if a==False and a == b:
print(True)
else:
print(False)
a,b = input().split(" ")
a = int(a)
b = int(b)
print(a ^ b)
a,b,c = input().split(" ")
a = int(a)
b = int(b)
c = int(c)
arr = [a, b, c]
arr.sort()
print(arr[0])
a,b,c = input().split(" ")
a = int(a)
b = int(b)
c = int(c)
if a%2==0:
print("even")
else :
print("odd")
if b%2==0:
print("even")
else :
print("odd")
if c%2==0:
print("even")
else :
print("odd")
n = int(input())
if n>=90:
print('A')
else:
if n>=70:
print('B')
else:
if n>=40:
print('C')
else:
print('D')
n = int(input())
if n==12 or n==1 or n==2:
print("winter")
else:
if n>=3 and n<=5:
print("spring")
else:
if n>=6 and n<=8:
print("summer")
else:
print("fall")
n = int(input())
while n!=0:
print(n)
n=n-1
n = int(input())
for i in range(0,n+1):
print(i)
n = input()
while True:
if n=='q':
print(n)
break
else:
print(n)
n = input()
a,b = input().split(" ")
a = int(a)
b = int(b)
for i in range(1,a+1):
for j in range(1,b+1):
print(i,j)
n = int(input())
for i in range(1,n+1):
if i%10 != 3 and i%10 != 6 and i%10 != 9:
print(i,end=' ')
else:
print('X',end=' ')
h,b,c,s = input().split(" ")
h = int(h)
b = int(b)
c = int(c)
s = int(s)
k =h*b*c*s/8/1024/1024
print(format(k,".1f")+" MB")
n = int(input())
k = int(1)
s = int(0)
while s<n:
s=s+k
k=k+1
print(s)
a,m,d,n = input().split(" ")
a = int(a)
n = int(n)
m = int(m)
d = int(d)
for i in range(0,n-1):
a = a*m+d
print(a)
n = int(input())
a = input().split()
d = []
for i in range(n):
a[i]=int(a[i])
for i in range(24):
d.append(0)
for i in range(n):
d[a[i]] += 1
for i in range(1,24):
print(d[i],end=' ')
n = int(input())
a = input().split()
for i in range(n):
a[i]= int(a[i])
a.sort()
print(a[0])
d=[]
for i in range (19):
for j in range(19):
d[i][j]=int(input())
n = int(input())
a = input().split()
b = input().split()
for i in range(2):
a[i] = int(a[i])
b[i] = int(b[i])
for i in range(19):
if d[a[0]][i]==1:
d[a[0]][i]=0
else:
d[a[0]][i]=1
for i in range(19):
if d[i][a[1]]==1:
d[i][a[1]]=0
else:
d[i][a[1]]==1
for i in range(19):
if d[b[0]][i]==1:
d[b[0]][i]=0
else:
d[b[0]][i]=1
for i in range(19):
if d[i][b[1]]==1:
d[i][b[1]]=0
else:
d[i][b[1]]==1
for i in range(19):
for j in range(19):
print(d[i][j],end=" ")
print("\n")
a,b = input().split()
a = int(a)
b = int(b)
n = int(input())
x = int(0)
y = int(0)
d = []
k = []
for i in range(a):
for j in range(b):
d[i][j]=0
for i in range(n):
for j in range(4):
k[i][j]=input()
for i in range(n):
for j in range(4):
k[i][j]=int(k[i][j])
for i in range(n):
if k[i][1]==0:
for j in range(k[i][0]):
x = k[i][2]-1
y = k[i][3]-1
d[x+i][y]=1
else:
for j in range(k[i][0]):
x = k[i][2]-1
y = k[i][3]-1
d[x][y+i]=1
for i in range(a):
for j in range(b):
print(d[i][j])
'''