// Copyright Daniel 2k14 (year of the rapture)
// Jordan is the bae





public class app {

	public static void main(String[] args) {

		int i;
		int sum = 0;

		int sequence[] = new int[3];
		sequence[0] = 1;
		sequence[1] = 1;

		while(sequence[0] + sequence[1] < 4000000){
			sequence[2] = sequence[1] + sequence[0];


			if(sequence[0] > sequence[1]) {
				sequence[1] = sequence[2];
			}
			else {
				sequence[0] = sequence[2];
			}

			System.out.println(sequence[2]);

			if (sequence[2] % 2 == 0) {
				sum += sequence[2];
			}



		}

		System.out.println(sum);




		}




	}