#include <bits/stdc++.h>

std::string s;
std::vector<int> a;
std::vector<std::string> ans;

int main() {
    std::cin >> s;
    char last = 0;
    for (char c : s) {
        if (c == last) ++a.back();
        else {
            last = c;
            a.push_back(1);
        }
    }
    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 len = a.size() - 1;
        for (int i = 0; i <= len; i++) {
            for (int j = i > len - 2; j < a[i]; j++) ans.push_back("copy");
            for (int j = 1; j < a[i]; j++) ans.push_back("fuse");
            if (i <= len - 2) {
                if (a[i] > 1) ans.push_back("swap");
                ans.push_back("roll");
            }
            else if (i == len - 1) ans.push_back("swap");
        }
        for (int i = 0; i < len; i++) ans.push_back("fuse");
    }
    std::cout << ans.size() << "\n";
    for (std::string x : ans) std::cout << x << "\n";
    return 0;
}