#include <stdio.h>

int a[2][3] = {
    {2, 8, 1},
    {3, 10, 9}};
int b[2][3] = {
    {4, 13, 3},
    {17, 2, 8}};
int c[2][3];

int main() {
    for (int i = 0; i < 2; i++) {
        for (int j = 0; j < 3; j++) {
            c[i][j] = a[i][j] + b[i][j];
        }
    }
    printf("%d",c[0][1]);
    return 0;
}
// 答案为 21