#include <iostream>
using namespace std;

int ky(int input[3][3]){
	int sum[3][3] = {0};
	int a[3][3] = {0};
	int res = 1000000;
	for(int i = 0; i < 3; i++){
		for(int j = 0; j < 3; j++){
			a[i][j] = input[(i+1)%3][j]+input[(i+2)%3][j];
		}
	}
	for(int i = 0; i < 3; i++){
		for(int j = 0; j < 3; j++){
			sum[i][j] = min(a[(i+1)%3][(j+1)%3]+a[(i+2)%3][(j+2)%3],a[(i+1)%3][(j+2)%3]+a[(i+2)%3][(j+1)%3]);
			sum[i][j] += a[i][j];
		}
	}
	for(int i = 0; i < 3; i++){
		for(int j = 0; j < 3; j++){
			res = min((int)res,sum[i][j]);
		}
	}
	return res;
}

int main() {
	int arr[3][3] = {{5,10,5},{20,10,5},{10,20,10}};
	cout << ky(arr);
    return 0;
}