#include <bits/stdc++.h> using namespace std; int main() { int a; cin >> a; int b = a % 10; int c = a-b; int c2 = c % 100; int d = a - c2 - b; int d2 = d / 100; int b2 = b * 100; int e = b2 + c2 + d2; cout << e; return 0; }