#include <cstdio>
#include <cstring>

char line[100005];

int main(void)
{
    while (scanf("%s", line) == 1 && strcmp(line, "END") != 0) {
        int len = strlen(line);
        for (int i = len-1; i >= 0; i--) {
            if (line[i] != '0') {
                line[i]--;
                break;
            }
        }
        int beg = 0;
        while (line[beg] == '0') {
            beg++;
        }
        if (line[beg] == '\0') {
            printf("0\n");
        } else {
            printf("%s\n", line+beg);
        }
    }
}