Submission #154684

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

#define rep(i, n) for(int i = 0; i < (int)n; ++i)
#define repf(i, f, l) for(int i = f; i < (int)l; ++i)
#define repit(it, t) for(__typeof((t).begin()) it = (t).begin(); it != (t).end(); it++)

#define endl "\n"

#ifdef ONLINE_JUDGE
#define DEBUG false
#else
#define DEBUG true
#endif

#define pb emplace_back
#define lb lower_bound
#define ul unsigned long
#define ull unsigned long long
#define ll long long
#define INF 1000000007
#define MOD 1000000007
#define fs first
#define sd second
#define DBG0(x) if(DEBUG){ cout << #x << ": " << x << "\t"; }
#define DBG(x) if(DEBUG){DBG0(x); cout << endl;}
#define DBG2(x, y) if(DEBUG){DBG0(x); DBG(y);}
#define DBG3(x, y, z) if(DEBUG){DBG0(x); DBG2(y, z);}
#define DBG4(w, x, y, z) if(DEBUG){DBG0(w); DBG3(x, y, z);}

typedef vector<int> vint;
typedef vector<ll> vll;
typedef vector<ul> vul;
typedef vector<ull> vull;
typedef vector<bool> vbl;
typedef pair<int, int> pii;

int main(void){
    ios::sync_with_stdio(false);
    int n;
    cin >> n;
    if(n % 3 == 0)
        cout << "YES" << endl;
    else
        cout << "NO" << endl;
    return 0;
}

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