#include <bits/stdc++.h>using namespace std;int n[10];string s;int main() {cin >> s;for(int i = 0; i < s.size(); i++) {n[s[i]-'0']++;}for(int i = 0; i < 10; i++) {if(n[i] != 0) {cout << i << ":" << n[i] << endl;}}return 0;} L1-004 计...