#include<bits/stdc++.h>
using namespace std;

int a[10][15],sum,min_ = 9999,min_2 = 9999,min_3 = 9999,min_4 = 9999,min_5 = 9999,min_6 = 9999,min_7 = 9999,min_8 = 9999,min_9 = 9999,min_10 = 9999;
int main(){
	for(int i = 1;i <= 5;i++){
		for(int j = 1;j<=10;j++){
			cin>>a[i][j];
		}
	}
	for(int i = 1;i <= 5;i++){
		min_ = min(min_,a[i][1]);
	}//1
	for(int i = 1;i <= 5;i++){
		min_2 = min(min_2,a[i][2]);
	}//2
	for(int i = 1;i <= 5;i++){
		min_3 = min(min_3,a[i][3]);
	}//3
	for(int i = 1;i <= 5;i++){
		min_4 = min(min_4,a[i][4]);
	}//4
	for(int i = 0;i <= 5;i++){
		min_5 = min(min_5,a[i][5]);
	}//5
	for(int i = 1;i <= 5;i++){
		min_6 = min(min_6,a[i][6]);
	}//6
	for(int i = 1;i <= 5;i++){
		min_7 = min(min_7,a[i][7]);
	}//7
	for(int i = 1;i <= 5;i++){
		min_8 = min(min_8,a[i][8]);
	}//8
	for(int i = 1;i <= 5;i++){
		min_9 = min(min_9,a[i][9]);
	}//9
	for(int i = 0;i <= 5;i++){
		min_10 = min(min_10,a[i][10]);
	}//10
	sum = min_+min_2+min_3+min_4+min_5+min_6+min_7+min_8+min_9+min_10;
	cout<<sum;
	
	return 0;
}