#include<stdio.h>
#include<math.h>
int main()
{
    int x[3], n, i, j;
    scanf("%d", &n);
    double y[n], temp, p, q, r;
    for(i=0; i<n; i++)
    {
        for(j=0; j<3; j++)
        {
            scanf("%d", &x[j]);
        }
        y[i]= sqrt(pow(x[0],2) + pow(x[1], 2) + pow(x[2], 2));
    }
    for (i = 0; i<n; i++)
    {
        for (j = i+1; j<n; j++)
        {
            if (y[i] > y[j])
            {
                temp =  y[i];
                y[i] = y[j];
                y[j] = temp;
            }
        }
    }
    p = pow(y[0], 2);
    q = pow(y[1], 2);
    r = pow(y[2], 2);
    if((p+q)==r)
    {
        printf("YES\n");
    }
    else
    {
        printf("NO\n");
    }
    return 0;
}