#include<stdio.h> #include<string.h> int main() { char a[105]; int n; int ans=0; scanf("%d",&n); scanf("\n"); fgets(a,105,stdin); for(int i=0;i<strlen(a);i++) { if(a[i]=='V'&&a[i+1]=='K') { ans++; a[i]=='x'; a[i+1]='x'; } } for(int i=0;i<strlen(a);i++) { if((a[i]=='K'||a[i]=='V')&&a[i]==a[i+1]) { ans++; break; } } printf("%d",ans); return 0; }

#include<stdio.h>
#include<string.h>
int main()
{
	char a[105];
	int n;
	int ans=0;
	scanf("%d",&n);
	scanf("\n");
	fgets(a,105,stdin);
	for(int i=0;i<strlen(a);i++)
	{
		if(a[i]=='V'&&a[i+1]=='K')
		{
			ans++;
			a[i]=='x';
			a[i+1]='x';
		}
	}
	for(int i=0;i<strlen(a);i++)
	{
		if((a[i]=='K'||a[i]=='V')&&a[i]==a[i+1])
		{
			ans++;
			break;
		}
	}
	printf("%d",ans);
	return 0;
}