#include <stdio.h>

int find_ways(int n){
	if(n == 0) return 1;
	if(n==1 || n==2 || n ==3 )
		return 1;
	return  find_ways(n-1) + find_ways(n-4);
}

int main(void) {
	int N =5;
	printf("%d", find_ways(N));
	// your code goes here
	return 0;
}