#include <iostream>
#include <string.h>
 
using std::cout;
using std::cin;
 
int main() {
  setlocale(LC_ALL, "Rus");
  char A[255] = " ";
  cout << "Введите числа: ";
  char f[255] = " ";
  char fplus[] = "+";
  char fravno[] = "=";
  int k = 0;
  int p = 0;
  size_t n = 0;
  cin >> n;
  for (size_t i = 0; i < n; ++i) {
    cin >> A;
    strcat(f, A);
    strcat(f, fplus);
    k = atoi(A);
    p += k;
  }
  strcat(f, fravno);
  cout << f << p;
}
 

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

MyA0IDUgNg==

3 4 5 6