許洧熏

#include<iostream>
#include<cstdlib>
using namespace std;
void hello()
{
    cout<<"HELLO!!"<<endl;
}
int myPlus(int x,int y,int z)
{
    return x+y+z;
}
int main()
{
    hello();
    cout<<myPlus(2,5,1)<<endl;
    system("pause");
    return 0;   
}