#include <iostream.h>
int sum(int a, int b)
{
	return a+b;
}
int main()
{
	int x=3, y=8;
	
	cout<<x<<"+"<<y<<"="<<sum(x,y)<<endl;
	//  <<called "insertion" operator; strings are set off by", not'
	//  endl does two things:  (1)inserts new line and (2)"flushes" output buffer.
	return 0;
}