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

int main(int argc, char** argv) {
	int i;
	long nr;
        char buffer[7];
        char* ret = fgets(buffer, 7, stdin);

        while (strncmp(buffer, "END\n", 7) != 0) {
		for (i = 6; i >= 0; i--) {
			if (buffer[i] != '0' && buffer[i] != '\0' && buffer[i] != '\n') {
				buffer[i] = buffer[i] - 1;
				break;
			}
		}
		nr = strtol(buffer, NULL, 10);
		printf("%ld\n", nr);
		memset(buffer, 0, 7);
		ret = fgets(buffer, 7, stdin);
        }
	return 0;
}