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#include "message.h"
#include "teatr.h"
#include "bits/stdc++.h"

using namespace std;
typedef vector<int> VI;
typedef long long LL;
typedef pair<int,int> PI; 
typedef pair<LL,LL> PLL;
typedef unsigned long long ULL;
typedef pair<double,double> PD;

#define FOR(x, b, e) for(int x = b; x<= (e); x++)
#define FORD(x, b, e) for(int x = b; x>= (e); x--)
#define REP(x, n) for(int x = 0; x<(n); ++x)
#define ALL(c) (c).begin(), (c).end()
#define SIZE(x) ((int)(x).size())

#define PB push_back
#define IN insert
#define ST first
#define ND second
#define INF 2000000011
#define MOD 1000000007

#define MAXSIZE 1000100

LL zlicz[MAXSIZE];
LL wyn=0;
	
int main(){	//getelement()<=5, nie flexujmy sie od razu za mocno
	
	
	int n=GetN();
	if(MyNodeId()!=0&&n<100)
		return 0;
	
	if(n<100){
		REP(i,n){
			int el=GetElement(i);
			zlicz[el]++;
			FOR(j,el+1,5)
				wyn+=zlicz[j];
		}
		cout<<wyn<<"\n";
	}
	else{
		int par=n/100;
		int pocz=par*MyNodeId();
		int kon=pocz+par-1;
		if(MyNodeId()==99)
			kon=n-1;
		
		FOR(i,pocz,kon){
			int el=GetElement(i);
			zlicz[el]++;
			FOR(j,el+1,5)
				wyn+=zlicz[j];
		}
		
		if(MyNodeId()!=0){
			PutLL(0,wyn);
			Send(0);
			FOR(i,1,5){
				PutLL(0,zlicz[i]);
				Send(0);
			}
		}
		else{
			FOR(i,1,99){
				Receive(i);
				wyn+=GetLL(i);
				FOR(j,1,5){
					Receive(i);
					LL par=GetLL(i);
					FOR(k,j+1,5)
						wyn+=par*zlicz[k];
					zlicz[j]+=par;
				}
			}
			cout<<wyn<<"\n";
		}
	}	
	return 0;
}