#include <stdio.h>
 
void calculate(int (*a)[4]){
 
    const int ROWS = 3;
    const int COLS = 4;
 
 
    int sum[ROWS]; 
 
    for (int i = 0; i < ROWS; i++){
        sum[i] = 0;
        for (int j = 0; j < COLS; j++){
            sum[i] += a[i][j]; 
        }
        printf(" %d\n",sum[i]);
    }
}
 
int main() {
 
    int array_a[3][4]={
        {1, 2, 3, 4},
        {5, 6, 7, 8},
        {9, 10, 11, 12}
    };
 
 
    calculate(array_a);
 
    return 0;
}

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