Start: Jul, 10, 2019 08:30:00
2019年度暑期短学期达标测试补考
End: Jul, 10, 2019 11:30:00
Time elapsed:
Time remaining:

Problem_ID: E
Result: Accepted
Time: 39ms
Memory: 1120kB
Author: 2018212212312
In contest: 1284

#include<stdio.h>
#include<math.h>
#include<string.h>
int main() {
	int i,n,f[25];
	f[1]=1;
	f[2]=2;
	for(i=3; i<=25; ++i) {
		f[i]=f[i-1]+f[i-2];
	}
	while(~scanf("%d",&n)) {
		if(n==2||n==3) {
			printf("Lucky Day\n");
			continue;
		}
		int t=3,flag=1;
		while(t<=25) {
			if(n==f[t]) {
				flag=0;
				printf("Lucky Day\n");
				break;
			}
			if(f[t]>n) break;
			t++;
		}
		if(flag) printf("Bad Day\n");
	}
}