#include <iostream>
using namespace std;

template <class T, int k>
class Vector{
    int n = k;
    T* a;
public:
    Vector() {
        a = new T[n];
        for (int i = 0; i < n; ++i) { a[i] = 0; }
    }
    Vector(T* a){
        this->a = new T[n];
        for (int i = 0; i < n; ++i){ this->a[i] = a[i]; }
    }
    ~Vector(){ delete [] a; }
    void Input(){
        for (int i = 0; i < n; ++i){ cin >> a[i]; }
    }
    void Print(){
        cout << "(";
        for (int i = 0; i < n-1; ++i) { cout << a[i] << ","; }
        cout << a[n-1] << ")" << endl;
    }
    void Multi(int t) {
        for (int i = 0; i < n; ++i){ a[i] = a[i]*t; }
    }
    void Sum(Vector<T,k> &B){
        if (n != B.n) { throw 1; }
        for (int i = 0; i < n; ++i){ a[i] = a[i] + B.a[i]; }
    }
};


int main(){
    Vector <float, 5>A;
    A.Input();
    A.Print();
    A.Multi(10);
    A.Print();
    float a[5] = {1.2,0.3,5.6,7.8,1.9};
    Vector <float,5>B(a);
    B.Input();
    A.Sum(B);
    A.Print();
    return 0;
}