#include <bits/stdc++.h>

using namespace std;
const int N = 110;
int a[N], al;

int main() {
    int n;
    scanf("%d", &n);
    if (n == 0) {
        puts("0");
        exit(0);
    }
    if (n < 0) {
        printf("-");
        n = -n;
    }
    while (n) {
        a[++al] = n % 10;
        n = n / 10;
    }

    int s = 1;
    while (a[s] == 0) s++;

    for (int i = s; i <= al; i++) printf("%d", a[i]);
    return 0;
}