// editor3
#include <stdio.h>
#include <ctype.h>


int main(){
    char str[101];
    fgrts(str,sizeof(str), stdin);
    int count[26]={0};
    int appeared[26]={0};
    int idx=0;
    
    
    for(i=0;str[i] != '\0'; i++){
        if (isalpha(str[i])){
            char ch=tolower(str[i]);
            count[c]++;
            if(!appeared[c]){
                output[idx++]=toupper(str[i]);
                appeared[c]=1;
            }
        }else if (!isspace(str[i])){
            printf("Invalid input\n");
            return 0;
        }
    }
    for(i=0; i < idx; i++){
        int c=tolower(output[i]) 'a';
            printf("%c%d", output[i],count[c]);
    }
    printf("\n")
    return 0;
}