funcao

#include <iostream>
using namespace std;

int soma (int x, int y);

int main ()
{

int a, b, res;
cout<< "digite... "<<endl;
cin>>a;
cin>>b;
res = soma(a,b);
cout<<res<<endl;

return(0);
}

int soma (int x, int y)
{
int w;
w = x + y;
return(w);
}