#include <stdio.h>
#include <math.h>
int main()
{
    int times,time;
    int n=0,i,j;
    int score[10058][5];
    scanf("%d",&times);
    for(time=1;time<=times;time++)
        scanf("%d%d%d",&score[time][1],&score[time][2],&score[time][3]);
    for(time=1;time<=times;time++)
        score[time][4]=score[time][1]+score[time][2]+score[time][3];
    for(i=1;i<times;i++)
        for(j=i+1;j<=times;j++)
            if(fabs(score[i][1]-score[j][1])<=5&&
            fabs(score[i][2]-score[j][2])<=5&&
            fabs(score[i][3]-score[j][3])<=5&&
            fabs(score[i][4]-score[j][4])<=10)
            n++;
    printf("%d",n);
    return 0;
}//

#include<stdio.h> int main() { int n,i=1,a[1000],m,j; scanf("%d",&n); while(1) { if(n%20) { a[i]=n; n=n/2; i++; } else { a[i]=n; n=n*3+1; i++; } if(n1) { a[i]=n; m=i; break; } }

for(j=m;j>=1;j--)
{
	printf("%d ",a[j]);
}return 0;

}

#include <stdio.h>
int main()
{
	int n,c=0,i;
	int a[1002];
	scanf("%d",&n);
	a[c++]=n;
	while(n!=1)
	{
		if(n%2==0)
		{
			n=n/2;
			a[c++]=n;
		}
		else{
			n=n*3+1;
			a[c++]=n;
		}
	}
	for(i=c-1;i>=0;i--)
	{
		printf("%d ",a[i]);
	}
	return 0;
}