C++ :

#include <iostream>
using namespace std;
int main() {
    short int shortNum;     // 定义短整型变量
    long int longNum;       // 定义长整型变量
    cin >> shortNum;
    cin >> longNum;
    long int sum = shortNum + longNum;  // 计算两数之和
    cout << sum << endl;
    return 0;
}