Go: package main

import (
	"bufio"
	"fmt"
		"os"
	"strconv"
	"strings"
	)

var scanner = bufio.NewScanner(os.Stdin)

func main() {
	table := [10]string{
		"* = ****",
		"* =* ***",
		"* =** **",
		"* =*** *",
		"* =**** ",
		" *= ****",
		" *=* ***",
		" *=** **",
		" *=*** *",
		" *=**** ",
	}
	for scanner.Scan() {
		tmp := strings.Split(fmt.Sprintf("%05s", scanner.Text()), "")
		ans := make([]string, 0)
		for _, v := range tmp {
			iv, _ := strconv.Atoi(v)
			ans = append(ans, table[iv])
		}
		for i := 0; i < 8; i++ {
			for j := 0; j < 5; j++ {
				fmt.Print(string(ans[j][i]))
			}
			fmt.Println()
		}
		fmt.Println()
	}
}

C++: #include<iostream>
#include<cstdio>
#include<string>
using namespace std;int i,j;main(){string s,l[2]={" ","*"};char x[6];while(cin>>i){if(j)cout<<endl;sprintf(x,"%05d",i);for(j=5;j-->0;)x[j]-='0';for(s="";j++<1;s+="\n")for(i=0;i++<5;)s+=l[j+(x[i]<5)&1];for(j=5;j-->0;)s+="=";for(s+="\n";j++<4;s+="\n")for(i=0;i<5;i++)s+=l[x[i]%5!=j];cout<<s;}return 0;}

C++: #define _USE_MATH_DEFINES
#include "bits/stdc++.h"
using namespace std;

//#define int long long
#define DBG 1
#define dump(o) if(DBG){cerr<<#o<<" "<<o<<endl;}
#define dumpc(o) if(DBG){cerr<<#o; for(auto &e:(o))cerr<<" "<<e;cerr<<endl;}
#define rep(i,a,b) for(int i=(a);i<(b);i++)
#define rrep(i,a,b) for(int i=(b)-1;i>=(a);i--)
#define each(it,c) for(auto it=(c).begin();it!=(c).end();it++)
#define all(c) c.begin(),c.end()
const int INF = sizeof(int) == sizeof(long long) ? 0x3f3f3f3f3f3f3f3fLL : 0x3f3f3f3f;
const int MOD = (int)(1e9 + 7);
const double EPS = 1e-10;

signed main() {
	string s; int cnt(0);
	while (cin >> s) {
		while (s.size() < 5)s = "0" + s;
		vector<string>v(8, "     ");
		v[2] = "=====";
		rep(i, 0, 5) {
			rep(j, 0, 8) {
				switch (j)
				{
				case 0:
					if ('0' <= s[i] && s[i] <= '4')v[j][i] = '*';
					break;
				case 1:
					if ('5' <= s[i] && s[i] <= '9')v[j][i] = '*';
					break;
				case 2:
					break;
				case 3:
					if (s[i] != '0'&&s[i] != '5')v[j][i] = '*';
					break;
				case 4:
					if (s[i] != '1'&&s[i] != '6')v[j][i] = '*';
					break;
				case 5:
					if (s[i] != '2'&&s[i] != '7')v[j][i] = '*';
					break;
				case 6:
					if (s[i] != '3'&&s[i] != '8')v[j][i] = '*';
					break;
				case 7:
					if (s[i] != '4'&&s[i] != '9')v[j][i] = '*';
					break;
				default:
					break;
				}
			}
		}
		if (cnt++)cout << endl;
		rep(i, 0, 8)cout << v[i] << endl;
	}
	return 0;
}

C++: #include <iostream>
#include <cstdio>
using namespace std;

int main(void)
{
	char abacus[8][11] = {
		"*****     ",
		"     *****",
		"==========",
		" **** ****",
		"* **** ***",
		"** **** **",
		"*** **** *",
		"**** **** ",
	};
	
	int n;
	bool flag = false;
	while (scanf("%d", &n) != EOF){
		int num[5];
		char a[8][5];
		for (int i = 0; i < 5; i++){
			num[4 - i] = n % 10;
			n /= 10;
		}
		for (int i = 0; i < 8; i++){
			for (int j = 0; j < 5; j++){
				a[i][j] = abacus[i][num[j]];
			}
		}
		
		if (flag){
			cout << endl;
		}
		
		for (int i = 0; i < 8; i++){
			for (int j = 0; j < 5; j++){
				cout << a[i][j];
			}
			cout << endl;
		}
		flag = true;
	}
	
	return (0);
}

C++: #include<cstdio>
#include<cstring>
#include<cmath>
int main(void){
  int n, m;
  char s[10][10];
  bool f = false;
  while(scanf("%d", &n) != EOF){
    if(f) puts("");
    f = true;
    for(int i = 1;i <= 5; i++){
      m = n / (int)pow(10, i - 1) % 10;
      if(m == 0) strcpy(s[i], "* = ****");
      if(m == 1) strcpy(s[i], "* =* ***");
      if(m == 2) strcpy(s[i], "* =** **");
      if(m == 3) strcpy(s[i], "* =*** *");
      if(m == 4) strcpy(s[i], "* =**** ");
      if(m == 5) strcpy(s[i], " *= ****");
      if(m == 6) strcpy(s[i], " *=* ***");
      if(m == 7) strcpy(s[i], " *=** **");
      if(m == 8) strcpy(s[i], " *=*** *");
      if(m == 9) strcpy(s[i], " *=**** ");
    }
    for(int i = 0;i < 8; i++){
      for(int j = 5;j >= 1; j--)
	putchar(s[j][i]);
      puts("");
    }
  }
}

C++: #include<stdio.h>
#include<string>
#include<iostream>
using namespace std;

int main(){
string str;

char ch[10][6];
char n1[10]="* =* ***";
char n2[10]="* =** **";
char n3[10]="* =*** *";
char n4[10]="* =**** ";
char n5[10]=" *= ****";
char n6[10]=" *=* ***";
char n7[10]=" *=** **";
char n8[10]=" *=*** *";
char n9[10]=" *=**** ";
char n0[10]="* = ****";
char nn[10];

while(cin>>str){
int t=5-str.size();

for(int i=0;i<5;i++){
	if(i<t){		
	for(int j=0;j<8;j++)
	nn[j]=n0[j];
}
	else{

char y=str[i-t];


if(y=='0'){
	for(int j=0;j<8;j++)
	nn[j]=n0[j];
}
else if(y=='1'){
	for(int j=0;j<8;j++)nn[j]=n1[j];
}
else if(y=='2'){
	for(int j=0;j<8;j++)nn[j]=n2[j];
}
else if(y=='3'){
	for(int j=0;j<8;j++)nn[j]=n3[j];
}
else if(y=='4'){
	for(int j=0;j<8;j++)nn[j]=n4[j];
}
else if(y=='5'){
	for(int j=0;j<8;j++)nn[j]=n5[j];
}
else if(y=='6'){
	for(int j=0;j<8;j++)nn[j]=n6[j];
}
else if(y=='7'){
	for(int j=0;j<8;j++)nn[j]=n7[j];
}
else if(y=='8'){
	for(int j=0;j<8;j++)nn[j]=n8[j];
}
else if(y=='9'){
	for(int j=0;j<8;j++)nn[j]=n9[j];
}}

for(int j=0;j<8;j++){

ch[j][i]=nn[j];

}
	
}

for(int i=0;i<8;i++){
for(int j=0;j<5;j++)
cout<<ch[i][j];

cout<<endl;
}
cout<<endl;
}
return 0;
}

C++: #include <bits/stdc++.h>

using namespace std;

string Input;
bool judgeResult[8][5];

void solve() {
	int j, k, len;
	string tmp;

	len = Input.size();
	tmp = "";
	for (int i = 0; i < 5 - len; i++) {
		tmp += "0";
	}
	Input = tmp + Input;
	len = Input.size();
	//cout << Input << endl;

	for (int i = len - 1; i > -1; i--) {
		//cout << Input[i] << endl;
		if (Input[i] > '4') {
			judgeResult[1][i] = true;
			k = Input[i] - '0' - 5;
		}
		else {
			judgeResult[0][i] = true;
			k = Input[i] - '0';
		}

		for (j = 0; j < k; j++) {
			judgeResult[3+j][i] = true;	
		}
		for (int t = 4 + j; t < 8; t++) {
			judgeResult[t][i] = true;
		}
	}
}


int main() {
	bool flag = false;

	while (cin >> Input) {
		if (flag) {
			cout << endl;
		}
		flag = true;
		memset(judgeResult, false, sizeof(judgeResult));
		solve();
		for (int i = 0; i < 8; i++) {
			if (i == 2) {
				cout << "=====" << endl;
				continue;
			}
			for (int j = 0; j < 5; j++) {
				cout << (judgeResult[i][j] ? "*" : " ");
			}
			cout << endl;
		}
	}

	return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;

signed main(){
int a;
int b=0;
while(cin>>a){
	int k=0;
   bool s[5][7]{};
   if(b)cout<<endl;
   for(int c=10000;c!=0;c/=10,k++){
   	int d=a/c;
   	if(d>4)s[k][1]=true;
   	else s[k][0]=true;
   	for(int h=0;h<5;h++){
   		if(d%5!=h)s[k][h+2]=true;
   	}
   	a-=d*c;
   }
   for(int x=0;x<2;x++){
   	for(int y=0;y<5;y++){if(s[y][x])printf("*");else printf(" ");}
   	printf("\n");
   }
   puts("=====");
   for(int x=3;x<7;x++){
   	for(int y=0;y<5;y++){if(s[y][x])printf("*");else printf(" ");}
   	printf("\n");
   }
   b++;
}
}

C++: #include <iostream>
#include <cstdio>
#include <cstdlib>
using namespace std;
int main()
{
	char s[6], r[5][8], d;
	int n, i, j, c, b = 0;
	while (1)
	{
		if (cin.eof()) break;
		cin >> n;
		if (!b) cout << endl;
		sprintf(s, "%05d", n);
		for (i = 0; i < 5; i++)
		{
			d = (char)s[i];
			c = atoi(&d);
			if (c < 5)
			{
				r[i][0] = '*';
				r[i][1] = ' ';
			}
			else
			{
				r[i][0] = ' ';
				r[i][1] = '*';
			}
			r[i][2] = '=';
			for (j = 3; j < 8; j++)
			{
				if (c != j-3 && c != j+2)
					r[i][j] = '*';
				else
					r[i][j] = ' ';
			}
		}
		for (i = 0; i < 8; i++)
		{
			for (j = 0; j < 5; j++)
			{
				cout << r[j][i];
			}
			cout << endl;
		}
		b = 1;
	}
}