Untitled

#include <bits/stdc++.h>

using namespace std;

#define Task "test"
#define FOR(i, a, b) for(int i = (a); i < (b); ++i)
#define FORD(i, a, b) for(int i = (a); i <= (b); ++i)
#define pb push_back
#define pf push_front
#define fi first
#define se second
#define endl "\n"
#define int long long
#define Chris_No_Luv signed main()

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int, int> vi;
typedef vector<int> vii;
typedef set<int> viii;
typedef map<int, int> viiii;

const int mod = (int) 1e9 + 7;
const int INF = (int) 1e9 + 2804;

int a, b, c, d, v;
Chris_No_Luv
{
    ios_base::sync_with_stdio(0); cin.tie(); cout.tie();
    if (fopen(Task".inp", "r"))
    {
    freopen(Task".inp", "r", stdin);
    freopen(Task".out", "w", stdout);
    }
    cin >> a >> b >> c >> d >> v;
    int bien = (-d) / c;
    int x = a - v * c;
    int y = b - d * v;
    if(x == 0)
    {
        if(y == 0)
        {
            cout << "MULTIPLE" << endl;
            return 0;
        }
        else
        {
            cout << "NONE" << endl;
            return 0;
        }
    }
    else
    {
        int m = x, t = y;
        int ming = __gcd(t, m);
        t /= ming;
        m /= ming;
        if(m < 0)
        {
            t = -t;
            m = -m;
        }
        if(-m == bien)
        {
            cout << "NONE" << endl;
            return 0;
        }
        if(m == 0)
        {
            cout << "NONE" << endl;
            return 0;
        }
        else
        {
            cout << t << "/" << m << endl;
        }
    }
    return 0;
}