a = 10; for i in range(2): a -= 3
a = 10 for i in range(4): a -= i
a = 2 for i in range(3): a += i
a = 4 for i in range(2): a += a
for i in range(2,-1,-1): print ( i, end="" )
print ( 4, end="" ) for i in range(1,2,-1): print ( 2*i, end="" )
print ( 1, end="" ) for i in range(3,6): print ( i, end="" )