// yukicoder My Practice
// author: Leonardone @ NEETSDKASU
#include <cstdio>

using namespace std;

typedef unsigned long ul;

const ul MD = 1000000007UL;

// 解説読後
// http://yukicoder.me/problems/882/editorial

#define arrlen(x) (sizeof(x) / sizeof((x)[0]))

char str[100];
ul a[1000005] = {0, 1, 0};
ul *an = a + 3, *an2 = a + 1, *an3 = a, *end = a + 1000004; 

int main() {
    
    puts("Hello World!");
    
    return 0;
}