#!/usr/local/bin/tcc -run
#include <stdio.h>
#include<string.h>

void dev_digit(char *s, char *c)
{
  strcpy(s,c);
  int d = 0;
    do {
        if( *s >= '0' &&  *s <= '9') {
            d++;
        }
        else if (d > 0) {
            *(s - d) = *s;
        }
    } while(*c++);
    do {
        if( *c <= '0' &&  *c >= '9') {
            d++;
        }
        else if (d > 0) {
            *(c - d) = *c;
        }
    } while(*c++);
}

void changeS_letter(char *c)
{
  int i,j=0;
  char *str;

 for(i=0;i<=j;i++){
   if(*str>='A' && *str<='Z'){
     str+='a'-'A';
   }else if(*str>='a' && *str<='z'){
     str-='a'-'A';
   }
 }
}

 int main(void)
 {
   int f,g;
   char *fuc;
   char *fng = "START";
   char str[128];
   char ctr[128];

   do{
     printf("*****If you want to START,please type START*****\n");
     printf("*****If If you want to EXIT,please type EOF*****\n");
     scanf("%s",fuc);
     strcmp(fng,fuc)==g;
   }while(g || (f=getchar())!=EOF);
   
   printf("Please input a string :");
   scanf("%s",str);

   dev_digit(str,ctr);
   changeS_letter(ctr);

   printf("Result :\n");
   printf("%s\n",str);
   printf("%s\n",ctr);

   return 0;
 }