Go: package main
import (
	"fmt"
	"os"
	"strconv"
	"bufio"
)

var sc = bufio.NewScanner(os.Stdin)

func main(){
	for sc.Scan(){
		n := nextInt()
		cnt := 0
		// 37以上のとき組み合わせは存在しないが省くのめんどくさいのでまとめて計算
		for a:=0; a<=9; a++{
			for b:=0; b<=9; b++{
				for c:=0; c<=9; c++{
					for d:=0; d<=9; d++{
						if a+b+c+d==n{
							cnt++
						}
					}
				}
			}
		}
		fmt.Println(cnt)
	}
}

func next()string{
	//sc.Scan()
	return sc.Text()
}

func nextInt()int{
	a, _ := strconv.Atoi(next())
	return a
}

C++: #include <stdio.h>

int sumInts(int n,int i);

int main(){
	int n;
	
	while(scanf("%d",&n)!=EOF){
		printf("%d\n",sumInts(n,4));
	}
	
	return 0;
}

int sumInts(int n,int i){
	int j,sum=0;
	if(i==1){
		if(n>9){
			sum=0;
		}else if(n<0){
			fprintf(stderr,"error\n");
		}else{
			sum=1;
		}
	}else{
		for(j=0;j<=9;j++){
			if (n<j) break;
			sum+=sumInts(n-j,i-1);
		}
	}
	
	
	return sum;
}

C++: #include<iostream>
using namespace std;
int main()
{
  int i,j,k,l,n,c=0;
  while(cin >> n)
{
  c=0;
  for(i=0;i<=9;i++){
   for(j=0;j<=9;j++){
    for(k=0;k<=9;k++){
     for(l=0;l<=9;l++){
        if(i+j+k+l == n)
           c++;
         }
        }
       }
      }
  cout << c << endl;
}
  return 0;
}

C++: #include<iostream>
#include<algorithm>
using namespace std;
int main(){
	int a,b,c,d,n,x,sum=0;
	for(;;){
		cin>>x;
	for(a=0;a<=9;a++){
		for(b=0;b<=9;b++){
			for(c=0;c<=9;c++){
				for(d=0;d<=9;d++){
					n=a+b+c+d;
					if(x==n){
						sum++;
					}
				}
			}
		}
	}
	cout<<sum<<endl;
	sum=0;
	}
	return 0;
}

C++: #include <iostream>
using namespace std;
int seach(int n,int m){
	if(m==4){
		return (n==0);
	}
	else{
	int res=0;
	for(int i=0;i<10;i++){
		res+=seach(n-i,m+1);
	}
	return res;
}
}

int main() {
	int n;
	cin >> n;
	cout << seach(n,0) << endl;
	return 0;
}

C++: #include <iostream>

const int N = 9;

int main(void) {
  int n = 0;

  std::string line;

  while (!std::cin.eof()) {
    std::cin >> n;
      
    int count = 0;
    
    for (int i = 0; i <= N; i++) {
      for (int j = 0; j <= N; j++) {
	for (int k = 0; k <= N; k++) {
	  for (int l = 0; l <= N; l++) {
	    if ((i + j + k + l) == n) {
	      count++;
	    }
	  }
	}
      }
    }

    std::cout << count << std::endl;

    std::cin >> n;
  }
   
  return 0;
}

C++: #include<iostream>
using namespace std;
 
int main()
{
int n,combo=0;
while(cin>>n)
{

for(int a=0;a<=9;a++)
{
for(int b=0;b<=9;b++)
{
for(int c=0;c<=9;c++)
{
for(int d=0;d<=9;d++)

if(a+b+c+d==n)
combo++;
}}}
cout<<combo<<endl;
}

return 0;
}

C++: #include <iostream>
using namespace std;
int main(void){
    int n, x, cnt;
    while(cin >> n){
        x = 0;
        for(int i = 0; i < 10; i++){
            for(int j = i; j < 10; j++){
                for(int k = j; k < 10; k++){
                    for(int l = k; l < 10; l++){
                        if(n == i + j + k + l){
                            cnt = 0;
                            if(i == j || i == k || i == l)  cnt++;
                            if(j == k || j == l)    cnt++;
                            if(k == l)  cnt++;
                            if(cnt == 3)   x++;
                            else if(cnt == 2)   x += 4; 
                            else if(cnt == 1){
                                if(i == j && j != k && k != l)  x += 12;
                                else if(j == k && i != j && k != l)  x += 12;
                                else if(k == l && i != j && j != k)  x += 12;
                                else    x += 4;
                            }
                            else    x += 24;
                        }
                    }
                }
            }
        }
        cout << x << endl;
    }
    
    return 0;
}

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

int main(){
  int a,b,c,d,n,count = 0;
  
  while(scanf("%d",&n)!=EOF){
  
  for(a=0;a<10;a++){
    for(b=0;b<10;b++){
      for(c=0;c<10;c++){
	for(d=0;d<10;d++){
	  if((a+b+c+d)==n)count++;
	}
      }
    }
  }
  
  cout << count << endl;
  count =0;
  }
  return 0;
}

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

int main()
{
	int n, cnt;

	while(cin >> n, n)
	{
		cnt = 0;
		/*
		for(int i=0; i<10; i++)
		{
			for(int j=0; j<10; j++)
			{
				for(int k=0; k<10; k++)
				{
					for(int l=0; l<10; l++)
					{
						if(i+j+k+l == n)
						{
							cnt++;
						}
					}
				}
			}
		}
		*/

		cout << cnt << endl;
	}
}

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


int main()
{
    int N, sum;

    while(std::scanf("%d", &N) != EOF) {
        if (N > 36) std::printf("%d\n", 0);
        else {
            sum = 0;
            for (int i = 0; i <=9; i++) {
                if (i > N) break;
                for (int j = 0; j <= 9; j++) {
                    if (i + j > N) break;
                    for (int k = 0; k <= 9; k++) {
                        if (i + j + k > N) break;
                        for (int l = 0; l <= 9; l++) {
                            if (i + j + k + l > N) break;
                            if (i + j + k + l == N) sum++;
                        }
                    }
                }
            }
            std::printf("%d\n", sum);
        }
    }

    return 0;
}

C++: #include <iostream>
using namespace std;
int main(){
	int n,ans=0;
	while(cin >> n){
	for(int i = 0; i < 10; i++){
		for(int j = 0; j < 10; j++){
			for(int k = 0; k < 10; k++){
				for(int l = 0; l < 10; l++){
					if(i+j+k+l==n)ans++;
				}
			}
		}
	}
	cout << ans << endl;
	ans=0;
	}
}

C++: #include <iostream>
#include <stdio.h>
using namespace std;
 
int main(){
  int a,b,c,d,n,count = 0;
  while(scanf("%d",&n)!=EOF){
     
    count=0;
    for(a = 0;a <= 9;a++){
    for(b = 0;b <= 9;b++){
      for(c = 0;c <= 9;c++){
    for(d = 0;d <= 9;d++){
      if((a+b+c+d) == n)count++;
    }
      }
    }
    }
    cout << count <<endl;
  }
  return 0;
}

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

int main() {
	int a, b, c, d, n, e = 0;
	for (;;) {
		cin >> n;
		for (a = 0; a<10; a++) {
			for (b = 0; b<10; b++) {
				for (c = 0; c <10; c++) {
					for (d = 0; d <10; d++) {
						if (a + b + c + d == n)e++;
					}
				}
			}
		}
		cout << e << endl;
	}
	return 0;
}

C++: #include <stdlib.h>
#include <string>
#include <vector>
#include <algorithm>
#include <iostream>


/*
	HOME-  Volume0-0008
	Submit Statistics
	 
	PCK 2003
	Sum of 4 Integers
	Time Limit : 1 sec, Memory Limit : 32768 KB
	English version is here

	Sum of 4 Integers

	50 ÈºÌ³Ì® n ðüÍµA0 ` 9 ÌÍÍÌ® a, b, c, d ÌgÅ

	        a + b + c + d = n

	ð½·àÌÌgÝí¹ðoÍ·évOðì¬µÄº³¢B

	á¦ÎAn ª 35 ÌÆ«A(a, b, c, d) Í (8,9,9,9)A(9,8,9,9)A(9,9,8,9)A(9,9,9,8) Ì 4 ÊèÅ·ÌÅA¦Í 4 ÆÈèÜ·B
	Input

	¡Ìf[^Zbgª^¦çêÜ·Bef[^ZbgÉ n ªPsÉ^¦çêÜ·BüÍÌÅãÜÅµÄº³¢B
	Output

	ef[^Zbg²ÆÉAa, b, c, d ÌgÝí¹ÂðPsÉoÍµÄº³¢B
	Sample Input

	35
	1

	Output for the Sample Input

	4
	4
*/

using namespace std;


int main()
{
	string s;
	
	while (getline(cin, s))
	{
		int n;
		sscanf(s.c_str(), "%ld", &n);
		
		int x = 0;
		for (int a = 0; a <= 9; a++)
		for (int b = 0; b <= 9; b++)
		for (int c = 0; c <= 9; c++)
		for (int d = 0; d <= 9; d++)
		{
			if (n == (a + b + c + d))
			{
				x++;
			}
		}
		
		printf("%d\n", x);
	}

	return 0;
}

C++: #include<iostream>

using namespace std;

int main(){
	int n, result = 0;

	while(cin >> n) {
		for(int a = 0; a <= 9; a++) {
			for(int b = 0; b <= 9; b++) {
				for(int c = 0; c <= 9; c++) {
					for(int d = 0; d <= 9; d++) {
						if (n == a + b + c + d) result++;

					}	
				}	
			}
		}
		cout << result << endl;
	}

	return 0;
}