#include <cstdlib>
#include <cstdio>
#include <cstring>

using namespace std;

int main () {
	char x[10];
	for ( ; ;) {
		scanf ("%s", x);
		if (strcmp(x, "END") == 0)
			break;
		
		int len = strlen (x);
		for (int i = len - 1; i >= 0; i--) {
			if (x[i] > '0') {
				x[i]--;
				break;
			}
		}
		int out = 0;
		int power = 1;
		for (int i = len - 1; i >= 0; i--) {
			out += (x[i] - '0') * power;
			power *= 10;
		}
		printf ("%d\n", out);
	}
	return 0;
}