#include<iostream> using namespace std; int main(){ /**int age=20; cout<<"我的年龄是: "<<age<<endl; int a,b,c; a = b = c = 2; cout<<a<<b<<c; int a,b; a=4,b=8650; int a,b,c; cin>>a; cin>>b; cin>>c;**/ int a,b,c; cin>>a>>b>>c; cout<<(a+b)/c<<endl; return 0; }