#include <bits/stdc++.h>
#define ll long long
#define ishowspeed ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#define pb push_back


using namespace std;


int main() {
    ishowspeed;
    ll n,a,b,c,mi,ma;
    cin>>n>>a>>b>>c;
    if(n-(a+b+c)>0)
    mi=n-(a+b+c);
    else
    mi=0;
    ma=n-max(a,max(b,c));
    cout<<mi<<'/n'<<ma;
    return 0;       
}
