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#include <bits/stdc++.h>
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using namespace std;
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int main() {
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string s;
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getline(cin, s);
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// 这个布尔变量有点意思
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bool passZero = true;
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for (int i = s.length() - 1; i >= 0; i--) {
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if (s[i] == '0' && passZero) {
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continue;
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}
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passZero = false;
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cout << s[i];
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}
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return 0;
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}
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