import java.util.Scanner;

public class ControlNumber {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int n=Integer.parseInt(input.nextLine());
        int m=Integer.parseInt(input.nextLine());
        int controlNumber=Integer.parseInt(input.nextLine());
        int moves=0;
        int sum=0;
        for (int i = 1; i<=n ; i++) {
            for (int j = m; j>=1 ; j--) {
                sum+=(i*2+3*j);
                moves++;
                if(sum>=controlNumber){
                    break;
                }
            }
        }
        if(sum>=controlNumber){
            System.out.printf("%d moves\nScore: %d >= %d",moves,sum,controlNumber);
        }else{
            System.out.printf("%d moves",moves);
        }
    }
}