#include <iostream>
#include <iostream>
 
 
template<size_t N> 
int accumulate(  const int (&arr)[N] )
{
    int result = arr[0];
    for(size_t n = 1; n < N; ++n)
        result = result * 10  + arr[n];
    return result;
}
 
 
int main()
{
    std::cout << "Hello, world!\n";
 
    int myints[] = {7, 40, 5, 3, 0};
 
    int a; // //Хочу чтобы a = 740530;
 
    a = accumulate(myints);
    //вот ведь незадача
    std::cout<<"result = "<< a<< '\n';
 
}

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