public class Main {
	public static void main(String[] args) {
		int count = 0;
		for(int a =1;a <= 5;a++) {
			for(int b =1;b <= 5;b++) {
				for(int c =1;c <= 5;c++) {
					if(a != b & a != c & b != c) {
						count++;
					}
				}
			}
		}
		System.out.println(count);
	}
}	
/**************************************************************
	Problem: 1256
	User: admin
	Language: Java
	Result: Runtime Error
****************************************************************/