#include <stdio.h> 

int main() {
    
    int n, i, j;
    long long sum = 0; 
    long long product = 1;    
    if (scanf("%d", &n) != 1) {
        printf("Invalid Input\n");
        return 1; 
    }

    
    if (n < 0) {
        printf("Invalid Input\n");
        return 1; 
    }    
    int matrix;

    
    for (i = 0; i < n; i++) {
        for (j = 0; j < n; j++) {
            if (scanf("%d", &matrix [i][j]) != 1) {
                printf("Invalid Input\n");
                return 1;
            }
            
            if (i == j) { 
                sum += matrix[i][j];
                product *= matrix[i][j];
            }
        }
    }    
    printf("Sum:%lld.\n", sum);
    printf("Product:%lld.\n", product);

    return 0; 
}