#include <stdio.h>
#include <string>
#include <iostream>

using namespace std;

int main(){
        
        string num;
        while (1) {
        	getline(cin, num);
        	if (num == "END")
        		break;
        	
        	for (unsigned int i = num.length()-1; i >= 0; i--) {
        		if (num[i] > '0') {
        			num[i] -= 1;
        			break;
        		}
        	}
        	
        	unsigned int pos=0;
        	for (; pos < num.length()-1; pos++) {
        		if (num[pos] != '0') {
        			break;
        		} 
        	}
        	for (unsigned int i = pos; i < num.length(); i++) {
        		printf("%c", num[i]);
        	}
        	printf("\n");
        	
        }
        
        return 0;
}