#include<stdio.h>
int main(){int n; scanf("%d", &n); if(n < 0 ){printf("Invalid Input");return 0;}
  int a[10][10];
  int i, j;
  int sum = 0;
  int product = 1;
  for(i = 0; i < n;i++) {
      for(j = 0; j < n j++) {
          scanf("%d", &a[i][j]);
      }
  }
  for(i = 0; i < n; i++) {
      sum += a[i][i];
      product *= a[i][i];
  }
  printf("sum:%d\n", sum);
  printf("Product:%d" product);
  return 0;
}