#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <set>
#include <map>
#include <algorithm>
#include <queue>
#include <iomanip>

using namespace std;
using ll = long long;

void solve() {
    cout << "25\n";
    cout << fixed << setprecision(20);
    for (int i = 2; i <= 9; i++) {
        cout << "$" << i << " = $" << i - 1 << " * $1\n";
    }
    cout << "$0 = $9 * " << (long double) 1/9 << '\n';
    for (int i = 8; i >= 2; i--) {
        cout << "$0 = $0 + $" << i << '\n';
        cout << "$0 = $0 * " << (long double) 1/i << '\n';
    }
    cout << "$0 = $0 + $1\n";
    cout << "$0 = $0 + 1\n";

}

int main() {
#ifdef LOCAL
    freopen("test.in", "r", stdin);
    freopen("test.out", "w", stdout);
#endif // LOCAL
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int nrt = 1;
    //cin >> nrt;
    while (nrt--) {
        solve();
    }
    return 0;
}