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

int main(){
  char str[15];
  
  while( scanf("%s", str) ){
    if(str[0] == 'E'){
      break;
    }
    
    int i=0;
    int pocetNul = 0;
    int length = strlen(str);
    for(i=length-1; i >= 0; i--){
     	if(str[i] == '0'){
 				pocetNul++;
      }else{
				str[i] = str[i] -1;
				break;
			}
    }

		printf("%d\n", atoi(str));
  }
  
  return 0;
}