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

long long gcd(long long a, long long b) {
	return b == 0 ? a : gcd(b, a % b);
}

int main() {
	string s; cin >> s;
	reverse(s.begin(), s.end());
	int l = s.size();
	
	long long pow2 = 1 << (l-1);
	long long pow3 = 1;
	long long num = 0;
	long long den = pow2;

	for (int i=0; i<l; i++) {
		num += (s[i] - '0') * pow2 * pow3;
		pow2 /= 2;
		pow3 *= 3;
	}
	
	long long N = num / den;
	num -= N * den;
	if (num == 0) {
		cout << N << "\n";
	}
	else {
		long long g = gcd(num, den);
		cout << N << " " << num/g << "/" << den/g << "\n";
	}

	return 0;
}