#include<stdio.h>
int main(){
	int a,b,c,s=0;
	for(a = 1;a <= 5;a++){
		for(b = 1;b <= 5;b++){
			for(c = 1;c <= 5;c++){
				if(a != b && b != c && a!=c){
					s++;
				}
			}
		}
	} 
	
	printf("%d",s);
	return 0;	
}
/**************************************************************
	Problem: 1256
	User: admin
	Language: C
	Result: Runtime Error
****************************************************************/