#include <iostream>
#include <string>
 using namespace std;
int main() { 
string str1, str2; 
cout << "Nhap xau thu nhat: "; cin >> str1; cout << "Nhap xau thu hai: "; cin >> str2; /
int num1 = stoi(str1); 
int num2 = stoi(str2); 
int sum = num1 + num2; 
cout << "Tong hai so: " << sum << endl;
return 0;
}