#include<algorithm>

 #include<iostream>

 #include<cstring>

 #include<cstdio>

 #include<vector>

 #include<queue>

 #include<cctype>

 #define INF 0x3f3f3f3f

 using namespace std;

 int main(){

     freopen("01.txt","w",stdout);

     int a[];

     memset(a,/,sizeof(a));

     cout<<a[]<<endl;

     cout<<0x3f3f3f3f<<endl<<0x7fffffff<<endl<<(<<);

     return ;

 }