#include<stdio.h>

int main()

{ int num = 0;

int i = 0;

int j = 0;

int arr[10][10] = {0};

int flag = 0;

scanf_s("%d", &num);

for (i = 0; i < num; i++)

{

{

for (j = 0; j < num; j++)

scanf_s("%d", &arr[i][j]);

}

}//输入数组

{

for(int n=1;n<num;n++)

{

for (int m = 0;m<n;m++)

if(arr[n][m]!=0)

{

flag = 1;

break;

}//判断条件

if(flag==1)

{

printf("no\n");

}

else

{

printf("yes\n");

}//判断

}

}

return 0;

}