1 include<stdio.h>
2
3 int main(){
4
5 int num,i,pri,counter[26]={0};
6 char ch;
7
8 while(scanf("%c",&ch)!=EOF){
9 if('a'<=ch&&ch<='z'){
10 num=ch-'a';
11 counter[num]++;
12 }else if('A'<=ch&&ch<='Z'){
13 num=ch-'A';
14 counter[num]++;
15 }
16 }
17
18 for(i=0;i<=25;i++){
19 printf("%c : %d\n",i+'a',counter[i]);
20 }
21
22 return(0);
23 }