#include <cstdio>
using namespace std;
int a[130][130][130],v[100001][3];
long i,j,k,t,n;
int main()
{
	freopen("puteri.in","r",stdin);
	freopen("puteri.out","w",stdout);
	for(i=0;i<=130;i++){
		for(j=0;j<=130;j++){
			for(k=0;k<=130;k++){if(a[i][j][k]==0){
				    for(t=2;t<=128;t++){
			if((i*t<=128)&&(j*t<=128)&&(k*t<=128)){a[i*t][j*t][k*t]=1;}
			else{break;}
					               }
			                                     }
			                   }
		                 }
	                  }
	scanf("%ld",&n);
	for(i=1;i<=n;i++){scanf("%ld%ld%ld",&v[i][0],&v[i][1],&v[i][2]);}
	k=0;
	for(i=1;i<=n-1;i++){for(j=i+1;j<=n;j++){
		k+=a[v[i][0]+v[j][0]][v[i][1]+v[j][1]][v[i][2]+v[j][2]];
										   }
					   }
	printf("%ld",k);
return 0;
}