c = 0
s = 0
u = 0
while c < 100000:
s += c
c += 3
while u < 100000:
if u%15==1:
s += u
u += 5
print s
YyA9IDAKcyA9IDAKdSA9IDAKd2hpbGUgYyA8IDEwMDAwMDoKICAgIHMgKz0gYwogICAgYyArPSAzCiAKd2hpbGUgdSA8IDEwMDAwMDoKICAgIGlmIHUlMTU9PTE6CiAgICAgICAgcyArPSB1CiAgICB1ICs9IDUKIApwcmludCBz