bfs5.cpp

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

#define ll long long
#define ull unsigned long long
#define pb push_back
#define mp make_pair
#define F first
#define S second
#define be begin()
#define en end()
#define all(x) (x).begin(),(x).end()

typedef vector<int> vi;
typedef vector<ll> vll;
typedef set<int> si;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MOD = 1e9 + 7;
const int INF = 1e9;

int main(int argc, char* argv[])
{
    if(argc == 2 or argc == 3) freopen(argv[1], "r", stdin);
    if(argc == 3) freopen(argv[2], "w", stdout);
    ios::sync_with_stdio(false);

    string s, e;
    cin>>s>>e;
    pii pos1, pos2;
    pos1.F=s[0]-'a'+1, pos1.S=s[1]-48;
    pos2.F=e[0]-'a'+1, pos2.S=e[1]-48;

    

    return 0;
}