#include <stdio.h>

int main()
{
	int a[][4] = {
		{3, 5, -1, 8},
		{2, 3, 2, 4},
		{4, 2, -5, 3},
	};
	int row, col, sum = 0;

	for (row = 0; row < 3; row++) {
		for (col = 0; col < 4; col++) {
			sum += a[row][col];
		}
	}
	printf("%d\n", sum);
	return 0;
}