#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define MAXX 1000009
#define max_num 100
#define pii pair<int,long>
vector<int>G[max_num];
int X[]={0,1,1,1,-1,-1,-1,-1};
int Y[]={1,1,0,-1,0,-1,0,1};
int main() {
int l=sizeof(int);
if(l>-1)
cout<<"YES";
else
cout<<"NO";
return 0;
}
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