for i in range(1,100+1):
if i % 2 == 0:
print(i)
summ = 0
for i in range(1,10):
summ += i
print(summ)
for i in range(1,50+1):
if i % 5 == 0:
for i in range(1,100+1):
if i % 2 == 0:
print(i)
summ = 0
for i in range(1,10):
summ += i
print(summ)
for i in range(1,50+1):
if i % 5 == 0:
print(i)