#include<bits/stdc++.h>
using namespace std;
int a[105][105];
int r[105][2];
int main(){
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=i;j++){
            cin>>a[i][j];
        }
    }
    for(int i=n-1;i>=1;i--){
        for(int j=1;j<=i;j++){
            if(a[i+1][j]>a[i+1][j+1]){
                a[i][j]=a[i][j]+a[i+1][j];
            }
            else
            {
                a[i][j]=a[i][j]+a[i+1][j+1];
            }
        }
    }
    r[1][1]=1;
    r[1][2]=1;
    int i=1;
    int j=1;
    int k=1;
    while(i<n){
        k++;
        if(a[i+1][j]>a[i+1][j+1]){
            r[k][1]=i+1;
            r[k][2]=j;
            i++;
        }
        else{
            r[k][1]=j+1;
           r[k][2]=j+1;
           i++;
           j++;
        }
    }
    for(i=k;i>=1;i--){
        cout<<r[i][1]<<","<<r[i][2];
        if(i!=1){
            cout<<"->";
        }
    }
    cout<<endl<<a[1][1];
}
/**************************************************************
	Problem: 1410
	User: luyanchen
	Language: C++
	Result: Wrong Answer
****************************************************************/