#include <iostream> 
using namespace std;
int main()
{
float nota1, nota2, nota3, nota4;
    float notafinal;
    cout << "ingrese la nota 1: "<<endl;
    cin >> nota1;
     cout << "ingrese la nota 2: "<<endl;
    cin >> nota2;
     cout << "ingrese la nota 3: "<<endl;
    cin >> nota3;
     cout << "ingrese la nota 4: "<<endl;
    cin >> nota4;
    
    notafinal=(nota1+nota2+nota3+nota4)/4;
    cout<< "su nota final fue: " <<notafinal;
    
    return 0;
}