1)

s = 0

for i in range (25,57+1):

if i%2 == 0:

s+=i

print(s)

2)

p = 1

for i in range (41,60+1):

if i%4 == 0:

p*=i

print(p)

3)

for i in range (15,60+1):

if i%2 ==0:

print(i)