#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() using namespace std; int main(){ int a,g,s,b,q; cin>>a; g=a%10*10; s=a%100/10; b=a/100%10*1000; q=a/1000*100; cout<<q+b+g+s; return 0; }