#include

using namespace std;

int main() { string s;

int a=0;

int x;

cin >> a;
cin >> s;

for(int i=0; i<=a; i++)
{
	if(s[i]=='V') x=0;
	
	if(s[i]=='K') x=0;
}

for(int i=0; i<=a; i++)
{
	if(s[i]=='V' && s[i+1]=='K') x++;
	
	if(s[i]=='K' || s[i+1]=='V') x==0;
	
}

for(int i=0; i<=a; i++)
{
	if(s[i]=='V' && s[i+1]=='V') 
	{
		x++;
		
		s[i+1]=='K';
		break;
	}
	
	if(s[i]=='K' && s[i+1]=='K')
	{
		x++;
		
		s[i+1]=='V';
		break;
	} 
}

cout << x;

return 0;

} ```cpp