typedef struct coo {
    int row;
    int col;
    int value;
} coo;

coo array[6] = {{.row=0,.col=0,.value=1}, 
                {.row=0,.col=2,.value=3},
                {.row=1,.col=1,.value=5},
                {.row=1,.col=2,.value=6},
                {.row=2,.col=0,.value=7},
                {.row=2,.col=2,.value=9},
                };





int main() {
    int sum = 0;
    for (int i = 0; i < 6; i++) {
        int x = array[i].value;
        sum = sum+x;
    }
return sum;
}