#include<bits/stdc++.h>
using namespace std;
#define ll long long
ll n, cnt=1;
int main () {
	cin >> n;int x=n;
	ll ans = 0;
	while(x) {
	    ans = ans * 100 + x % 100;
	    x /= 100;
	}return cout << ans, 0;
}