// compile: make data
// run: ./data < data.in
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#ifdef LOCAL
#include <debug/cpglib/print.h>
#define debug(x...) _debug_print(0, #x, x);
#define Debug(x...) _debug_print(1, #x, x);
#define DEBUG(x...) _debug_print(2, #x, x);
std::ifstream terminal("/dev/tty");
#define PP cerr<<"\033[1;30mpause...\e[0m",terminal.ignore();
#else
#define debug(x...)
#define Debug(x...)
#define DEBUG(x...)
#define PP
#endif
template<typename...Args> void print_(Args...args){((cout<<args<<" "),...)<<endl;}
#define rep(i,a,b) for(int i=(a);i<(int)(b);++i)
#define sz(v) ((int)(v).size())
#define print(...) print_(__VA_ARGS__);
#define FIND(a, x) ((find(a.begin(),a.end(),(x))!=a.end())?1:0)
#define cmin(x,...) x=min({(x),__VA_ARGS__})
#define cmax(x,...) x=max({(x),__VA_ARGS__})
#define INTMAX (int)(9223372036854775807)
#define INF (int)(1152921504606846976)
#define NaN (int)(0x8b88e1d0595d51d1)
#define double long double
#define int long long
#define uint unsigned long long
#define endl "\n"
#define MAXN 200010
template<char SP> string bwt_inv(string bwt) {
int n = bwt.length();
string sorted = bwt;
sort(sorted.begin(), sorted.end());
vector<vector<int>> v(257);
vector<int> ptr(257, 0), lshift(n);
auto order = [](char c) -> int {
return c == SP ? 0 : c + 1;
};
rep(i, 0, n) v[order(bwt[i])].push_back(i);
rep(i, 0, n) lshift[i] = v[order(sorted[i])][ptr[order(sorted[i])]++];
string orig = "";
for (int i = find(bwt.begin(), bwt.end(), SP) - bwt.begin(); i != 0; i = lshift[i]) orig += sorted[i];
return orig;
}
int32_t main() {
ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
string s; cin >> s;
cout << bwt_inv<'#'>(s) << endl;
return 0;
}
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