#include <bits/stdc++.h>

std::string s;

std::vector<int> a;

std::vector<std::string> Ans;

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr), std::cout.tie(nullptr);
    std::cin >> s, Ans.reserve(3 * s.length());
    char Last = 'd';
    for (auto c : s) c == Last ? void(++a.back()) : a.push_back(1), Last = c;
    if (s[0] == 'a') Ans.push_back("swap");
    if (a.size() == 1) {
        for (int i = 1; i < a[0]; ++i) Ans.push_back("copy");
        for (int i = 1; i < a[0]; ++i) Ans.push_back("fuse");
    } else {
        int n = a.size() - 1;
        for (int i = 0; i <= n; ++i) {
            for (int j = i > n - 2; j < a[i]; ++j) Ans.push_back("copy");
            for (int j = 1; j < a[i]; ++j) Ans.push_back("fuse");
            if (a[i] > 1 && i <= n - 2 || i == n - 1) Ans.push_back("swap");
            if (i <= n - 2) Ans.push_back("roll");
        }
        for (int i = 0; i < n; ++i) Ans.push_back("fuse");
    }
    std::cout << Ans.size() << '\n';
    for (auto s : Ans) std::cout << s << '\n';
    return 0;
}