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

int main(void)
{
    size_t a, b;
    char ch;
    function<string(size_t)> reversenums = [](size_t num) {
        size_t result;
        string s = to_string(num);
        reverse(s.begin(), s.end());
        sscanf(s.c_str(), "%zu", &result);
        return to_string(result);
    };
    string ans;
    int x = scanf("%zu%[/%.]%zu", &a, &ch, &b);
    switch (x)
    {
    case 3:
        ans = reversenums(b) + ans;
    case 2:
        ans = ch + ans;
    case 1:
        ans = reversenums(a) + ans;
    }
    cout << ans << endl;
    return 0;
}

in: 84754765.322414 out: 56745748.414223