int main (){
    int z[5][4], i, j;
    for (i = 0; i < 5; i++){
        for (j = 0; j < 4; j++){
            scanf ("%d", &z[i][j]);
        }
        printf ("\n");
    }

    for (i = 0; i < 5; i++){
        for (j = 0; j < 4; j++){
            printf (" %d", z[i][j]);
        }
        printf ("\n");
    }
    int Flag = 0; j = 0;
    int NegativesArr [5] = { 0 };
    printf ("\n");

    for (i = 0; i < 5; i++){
        while ((Flag == 0) && (j < 4)) {
            if (z[i][j] < 0){
                NegativesArr [i] = z[i][j];
                z[i][j] = z[i][j] * j;
                Flag = 1;
            }
            j++;
        }
        j = 0; Flag = 0;
    }

    for (i = 0; i < 5; i++){
        if (NegativesArr[i] != 0){printf ("%i ", NegativesArr[i]);}
    }
    printf ("\n");
    for (i = 0; i < 5; i++){
        for (j = 0; j < 4; j++){
            printf ("%i ", z[i][j]);
        }
        printf ("\n");
    }
}