#include<stdio.h>
#include<stdlib.h>
#include<string.h>
int main()
{
int count[52];
int i;
char * pstr = (char *)malloc(sizeof(char *)*256);
for(i=0;i<52;i++)
count[i] = 0;
memset(pstr,'\0',256);
scanf("%s",pstr);
while(*pstr!='\0')
{
printf("%c",*pstr);
if('A'<*pstr && *pstr<'Z')
count[*pstr-65]++;
if('a'<*pstr && *pstr < 'z')
count[*pstr-97+26]++;
pstr++;
}
for(i=0;i<26;i++)
printf("%c:%d\n",i+65,count[i]);
for(i=26;i<26+26;i++)
printf("%c:%d\n",i-26+97,count[i]);
system("pause");
return 0;
}
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