#include <bits/stdc++.h>
using namespace std;
string s, t = "";
int main() {
cin >> s;
reverse(s.begin(), s.end());
t = s;
int l = 0;
while(t[l] == '0')
{
l++;
}
for (int i = l; i < t.size(); i++)
{
cout<< t[i];
}
}
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