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<iostream>
#include<cstdio>
using namespace std;
int main()
{
int n;
while(scanf("%d",&n)){
int ans=0;
for(int a=0;a<10;a++){
for(int b=0;b<10;b++){
for(int c=0;c<10;c++){
for(int d=0;d<10;d++){
if(a+b+c+d==n)ans++;
}
}
}
}
printf("%d\n",ans);
}
return 0;
}

C++: #include <stdio.h>
#define rep(i, n) for (int i = 0; i < (int)(n); i++)

int cnt[64];

int main() {
    rep (a, 10) rep (b, 10) rep (c, 10) rep (d, 10) cnt[a+b+c+d]++;
    int n;
    while (scanf("%d", &n) != EOF) printf("%d\n", cnt[n]);
    return 0;
}

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

#define f(i) for(int i=0; i<10; ++i)


//0008
int main(){
	int x;

	while(cin >> x){
		int a,b,c,d;
		int count=0;

		f(a)f(b)f(c)f(d){
			if(a+b+c+d == x){
				++count;
			}
		}
		cout << count <<endl;
	}
	return 0;
}

C++: //#define _USE_MATH_DEFINES
#include <iostream>
//#include <stdio.h>
//#include <iomanip>
//#include <vector>
//#include <string>
//#include <algorithm>
//#include <functional>
//#include <cmath>

using namespace std;


int main(){

	int n;
	int cnt;

	while (cin >> 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;
	}


	return 0;
}

C++: #include <iostream>

using namespace std;

int main()
{
	int n, total;

	while (cin >> n){
		total = 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 (a + b + c + d == n){
							total++;
						}
					}
				}
			}
		}
		cout << total << endl;
	}
}

C++: #include <iostream>

int main(void)
{
	int16_t a = 0;
	int16_t b = 0;
	int16_t c = 0;
	int16_t d = 0;
	int16_t n = 0;
	int16_t count = 0;

	while (std::cin >> n)
	{
		count = 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)
						{
							count++;
						}
					}
				}
			}
		}
		std::cout << count << std::endl;
	}

	return 0;
}

C++: #include<iostream>
#include<algorithm>
#include<cstdio>
using namespace std;
int a,b,c,d;//nは最大値36
int n;
int ans;//組み合わせの数
int main(){
  while(scanf("%d",&n) !=EOF){
  ans = 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(a + b+ c + d >36)
	    continue;
	  if(a +b + c + d==n){
	    ans++;
	      }
	}
      }
    }
  }
  printf("%d\n",ans);
	      }
  return 0;
}

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

int main(){
  int s,n;
  while(cin>>n){
    s = 0;
    for(int i=9;i>=0;i--){
      if(n-i>27) break;
      for(int j=9;j>=0;j--){
	if(n-i-j>18) break;
	for(int k=9;k>=0;k--){
	  if(n-i-j-k>9) break;
	  if(n-i-j-k>=0) s++;
	}
      }
    }
     cout<<s<<endl;
  }
 
  return 0;
}

C++: #include <algorithm>
#include <iostream>
#include <vector>

using namespace std;

typedef long long ll;
typedef pair<ll, ll> P;

#define MOD 1000000007
#define REP(i, N) for (int i = 0; i < N; ++i)
#define REP1(i, N) for (int i = 1; i <= N; ++i)
#define RREP(i, N) for (int i = N - 1; i >= 0; --i)
#define ALL(a) a.begin(), a.end()

int main() {
  int n;
  while (cin >> n) {
    int ans = 0;
    REP(a, 10) REP(b, 10) REP(c, 10) {
      int d = n - a - b - c;
      if (0 <= d && d < 10) ans++;
    }
    cout << ans << endl;
  }
  return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); i++)
#define repd(i,a,b) for (int i = (a); i < (b); i++)
typedef long long ll;
int main(void)
{
	int n;
	while (cin >> n)
	{
	    int count = 0;
	    rep(i, 10)
	    {
	        rep(j, 10)
	        {
	            rep(k, 10)
	            {
	                rep(l, 10)
	                {
	                    if (i + j + k + l == n) count++;
	                }
	            }
	        }
	    }
	cout << count << endl;
	}
}

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

using namespace std;

int main() {
	
	long long a, b, c=0, d=0, f, n, m;
	
	while (cin >> a){
	c=0;
	for (int i=0; i <= 9; i ++){
		for (int j=0; j <= 9; j ++){
			for (int k=0; k <= 9; k ++){
				for (int l=0; l <= 9; l ++){
					if (i + j + k + l == a ){
						c ++;
					}
					
				}
			}	
		}
	}
	cout << c << endl;
	}
	return 0;
}

C++: #include <iostream>

using namespace std;

int main(){
  int n;
  while(cin >> n){
    int res = 0;
    for(int i=0;i<10000;i++){
       int s = 0;
       for(int t=i;t;t/=10) s += t%10;
       if(s==n) res++;
    }
    cout << res << endl;
  }
}

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

int main() {
  int x;
  while(cin >> x) {
    int ans= 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==x) ans++;
    cout << ans << endl;
  }
}

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

int main(){
	int t = 0;
	int n;
	int a[1000];
	while(cin >> n){
		if(n > 36){
			a[t] = 0;
			continue;
		}
		else if(n > 18){
			n = 36-n;
		}
		a[t] = 1;
		for(int i = n+3; i >=n; i--){
			a[t] = a[t]*i;
		}
		t++;
	}
	for(int i = 0; i < t; i++){
		cout << a[i]/6 << endl;
	}
}

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

int main(){
	int n,val;
	while(cin >> n){
		val = 0;
		for(int i=0;i<=9;i++){
			for(int j=0;j<=9;j++){
				for(int k=0;k<=9;k++){
					for(int l=0;l<=9;l++){
						if(i+j+k+l == n){
							val += 1;
						}
					}
				}
			}
		}
		cout << val << endl;
	}
	return 0;
}

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

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

}

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


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

	while (cin >> n)
	{
		count = 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) count++;
					}
				}
			}
		}
		cout << count << endl;
	}
	return 0;
}

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

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

C++: #include <iostream>

using namespace std;

int main() {
    int n, ans;
    while (cin >> n) {
        ans = 0;
        for (int i = 0; i <= 9; i++) {
            for (int j = 0; j <= 9; j++) {
                for (int k = 0; k <= 9; k++) {
                    for (int l = 0; l <= 9; l++) {
                        if (i + j + k + l == n) ans++;
                    }
                }
            }
        }
        cout << ans << endl;
    }
}

C++: #include <iostream>

using namespace std;

int main(){
	int n;
	cin >> n;
	int count = 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(a + b + c + d == n){
						++count;
					}
				}
			}
		}
	}
	cout << count << endl;
	return 0;
}