#include<bits/stdc++.h> using namespace std; int main() {int x,a,b,c,d; cin>>x; a=x/100; b=x/10%10; c=x%10; if(a>b) {if(b>c) {d=x; cout<<d<<endl; } else {d=100a+10c+b; cout<<d<<endl; }} else if(c>b) {d=100c+10b+a; cout<<d<<endl; } else { if(c>a) { d=b100+c10+a; cout<<d<<endl; } else { d=b100+a10+c; cout<<d<<endl; }} return 0; }