void sum(int kosuu, int data[], int *sum){
    int counter=0;

    *sum=data[0];

    do{
        counter=counter+1;
        *sum=*sum+data[counter];
    }while(counter<kosuu);

    return;
}

int main(){
    int data1[]={10,15,8,30,7};
    int data2[]={10,20,30,40,50,60};

    int sum1,sum2;

    sum(4,data1,&sum1);
    sum(5,data2,&sum2);
    
    printf("%d\n",sum1);
    printf("%d\n",sum2);

    return 0;
}