it is a simple program that is demonstrating class and object.but it is giving an error like too many types in declaration and function should return a value....
pls find solution and suggest me what should i do...

Code:
#include<iostream.h>
#include<conio.h>

class ayes
{
public:
void foo()
{
int a,b;
cout<<"Enter two nos:";
cin>>a>>b;
...