0 eular

[GPB147]

def a(s):
    return (s+1)%2==0

f=0
for d in range(1,602001):
    if a(d):
        f=d*d+f
        print (d,d*d,f)

[GPB147]

def a(s):
    return s%3==0 or s%5==0

d=0
for f in range(10):
    if a(f):
        d=d+f
        print(d) 

print (d)

[GPB147]

def a(s):
    return s%2==0

q=0
d=0
f=1
while(d<4000000):
    g=d+f
    d=f
    f=g
    if a(d):
        q=q+d
        print(q)