#define _USE_MATH_DEFINES #define _CRT_SECURE_NO_DEPRECATE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair Pii; typedef pair Pll; #define FOR(i,n) for(int i = 0; i < (n); i++) #define sz(c) ((int)(c).size()) #define ten(x) ((int)1e##x) #ifdef _WIN32 # define mygc(c) (c)=getchar() # define mypc(c) putchar(c) #else # define mygc(c) (c)=getchar_unlocked() # define mypc(c) putchar_unlocked(c) #endif void reader(int& x) { int k, m = 0; x = 0; for (;;) { mygc(k); if (k == '-') { m = 1; break; }if ('0' <= k&&k <= '9') { x = k - '0'; break; } }for (;;) { mygc(k); if (k<'0' || k>'9')break; x = x * 10 + k - '0'; }if (m) x = -x; } void reader(ll& x) { int k, m = 0; x = 0; for (;;) { mygc(k); if (k == '-') { m = 1; break; }if ('0' <= k&&k <= '9') { x = k - '0'; break; } }for (;;) { mygc(k); if (k<'0' || k>'9')break; x = x * 10 + k - '0'; }if (m) x = -x; } int reader(char c[]) { int i, s = 0; for (;;) { mygc(i); if (i != ' '&&i != '\n'&&i != '\r'&&i != '\t'&&i != EOF) break; }c[s++] = i; for (;;) { mygc(i); if (i == ' ' || i == '\n' || i == '\r' || i == '\t' || i == EOF) break; c[s++] = i; }c[s] = '\0'; return s; } template void reader(T& x, S& y) { reader(x); reader(y); } template void reader(T& x, S& y, U& z) { reader(x); reader(y); reader(z); } template void reader(T& x, S& y, U& z, V & w) { reader(x); reader(y); reader(z); reader(w); } void writer(int x, char c) { int s = 0, m = 0; char f[10]; if (x<0)m = 1, x = -x; while (x)f[s++] = x % 10, x /= 10; if (!s)f[s++] = 0; if (m)mypc('-'); while (s--)mypc(f[s] + '0'); mypc(c); } void writer(ll x, char c) { int s = 0, m = 0; char f[20]; if (x<0)m = 1, x = -x; while (x)f[s++] = x % 10, x /= 10; if (!s)f[s++] = 0; if (m)mypc('-'); while (s--)mypc(f[s] + '0'); mypc(c); } void writer(const char c[]) { int i; for (i = 0; c[i] != '\0'; i++)mypc(c[i]); } void writer(const char x[], char c) { int i; for (i = 0; x[i] != '\0'; i++)mypc(x[i]); mypc(c); } template void writerLn(T x) { writer(x, '\n'); } template void writerLn(T x, S y) { writer(x, ' '); writer(y, '\n'); } template void writerLn(T x, S y, U z) { writer(x, ' '); writer(y, ' '); writer(z, '\n'); } template void writerArr(T x[], int n) { if (!n) { mypc('\n'); return; }FOR(i, n - 1)writer(x[i], ' '); writer(x[n - 1], '\n'); } ll mod_pow(ll a, ll n, ll mod) { ll ret = 1; ll p = a % mod; while (n) { if (n & 1) ret = ret * p % mod; p = p * p % mod; n >>= 1; } return ret; } // ax+by=gcd(a,b)となるx,yを求める(|x| <= b , |y| <= a) template T extgcd(T a, T b, T& x, T& y){ for (T u = y = 1, v = x = 0; a;) { T q = b / a; swap(x -= q * u, u); swap(y -= q * v, v); swap(b -= q * a, a); } return b; } // ay≡gcd(a,m)(mod m) ---> return y; //mod_powの方が速い場合がある template T mod_inv(T a, T m){ T x, y; extgcd(a, m, x, y); return (m + x % m) % m; } string f(string x) { char c = *max_element(x.begin(), x.end()); int id = -1; FOR(i, sz(x)) if (x[i] == c) id = i; FOR(i, sz(x)) { if (x[i] == c) continue; if (i > id) break; swap(x[i], x[id]); break; } return x; } int main(){ string s; cin >> s; vector a[10]; FOR(i, sz(s)) { a[s[i] - '0'].push_back(i); } s = f(s); s = f(s); cout << s << endl; }