week 2.1(четные)

task 2
a=int(input())
if a>0:
      print (1)
elif a<0:
      print (-1)
else:
      print (0)
      
task 4
a=int(input())
if a==0:
    print('zero')
if a==1:
    print('one')
elif a==2:
    print('two')
elif a==3:
    print('three')
elif a==4:
    print('four')
elif a==5:
    print('five')
elif a==6:
    print('six')
elif a==7:
    print('seven')
elif a==8:
    print('eight')
elif a==9:
    print('nine')
task 6
a=int(input())
b=int(input())
c=int(input())
if a>b>c or a>c>b:
    print(a)
elif b>a>c or b>c>a:
    print(b)
else:
    print(c)
task 8
x1=int(input())
y1=int(input())
x2=int(input())
y2=int(input())
if x2-x1==0 and y2-y1==0:
    print('NO')
elif ( x2-x1==0 or x2-x1==1 or x2-x1==-1 ) and ( y2-y1==0 or y2-y1==1 or y2-y1==-1 ) :
    print('YES')
else:
    print('NO')
task 10
a=int(input())
b=int(input())
c=int(input())
if a<b and c<b:
    if a > c:
     print(c,a,b,sep = '\n' )
    else:
     print(a,c,b,sep = '\n' )
elif b<a and c<a:
    if b > c:
     print(c,b,a,sep = '\n' )
    else:
     print(b,c,a,sep = '\n' )
elif a<c and b<c:
    if a > b:
      print(b,a,c,sep = '\n' )
    else:
     print(a,b,c,sep = '\n' ) 
task 12
x=float(input())
y=float(input())
quadrant = 0
if (x > 0) & (y > 0):
    quadrant = 1
elif (x < 0) & (y > 0):
    quadrant = 2
elif (x < 0) & (y < 0):
    quadrant = 3
elif (x > 0) & (y < 0):
    quadrant = 4
print(quadrant)
task 14
x=float(input())
y=float(input())
r=float(input())
if x**2+y**2<=r**2:
    print('YES')
else:
    print('NO')