#include <iostream>
using namespace::std;
int main() {
int a = 1;
int b = 1;
int evsum = 0;
while (a < 4000000 and b < 4000000) {
a = a + b;
b = a + b;
if (a % 2 == 0)
evsum += a;
if (b % 2 == 0)
evsum += b;
cout << a << endl;
cout << b << endl;
cout << evsum << "evensum" << endl;
}
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2U6OnN0ZDsKaW50IG1haW4oKSB7CiAgICBpbnQgYSA9IDE7CiAgICBpbnQgYiA9IDE7CiAgICBpbnQgZXZzdW0gPSAwOwogICAgd2hpbGUgKGEgPCA0MDAwMDAwIGFuZCBiIDwgNDAwMDAwMCkgewogICAgICAgIGEgPSBhICsgYjsKICAgICAgICBiID0gYSArIGI7CiAgICAgICAgaWYgKGEgJSAyID09IDApCiAgICAgICAgICAgIGV2c3VtICs9IGE7CiAgICAgICAgaWYgKGIgJSAyID09IDApCiAgICAgICAgICAgIGV2c3VtICs9IGI7CiAgICAgICAgY291dCA8PCBhIDw8IGVuZGw7CiAgICAgICAgY291dCA8PCBiIDw8IGVuZGw7CiAgICAgICAgY291dCA8PCBldnN1bSA8PCAiZXZlbnN1bSIgPDwgZW5kbDsKICAgIH0KfQo=