import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
for(int i = 0; i < n /5 ; i++) {
System.out.print("V");
}
for(int i = 0; i < n % 5; i++) {
System.out.print("I");
}
sc.close();
}
}