# 168.
sum = 0
for i in range(1, 11):
    sum = sum + i

print(sum)


# 169.
sum = 0
for i in range(1, 11):
    if i % 2 != 0:
        sum = sum + i
    else:
        pass

print(sum)


# 170.
gop = 1
for i in range(1, 11):
   gop =  gop * i

print(gop)
