// Written by Hosung Leo Kim

#include <iostream>


void foo( int v1, int v2 = 3)
{
  cout << "v1: " << v1 << " "
       << "v2: " << v2 << endl;
}


int main()
{
  foo( 1, 2 );
  foo( 1 );
}


/*
/homes/home30/hkim16/107a> a.out
v1: 1 v2: 2
v1: 1 v2: 3
/homes/home30/hkim16/107a> 
*/