# 2024-07-21
print (4+5)
print (6+7)
print (8+9)
x = 5 + 7
y = 11 + 13
z = 17 + 19
print (x)
print (y)
print (z)
if x < y:
if y < z:
print ("F. 1")
else:
print ("F. 2")
else:
print ("F. 3")
i = 0
while i < 10:
print (i)
i = i + 1
a = [1, 4]
i = 0
while i < 8:
a.append ((i+3)**2)
i = i + 1
i = 0
while i < 10:
print (a[i])
i = i + 1