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>
using namespace std;

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

C++: #include <iostream>
#include <cstdio>

const int N = 9;

int main(void) {
  int n = 0;

  while (scanf("%d", &n) != EOF) {
    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;
  }
   
  return 0;
}

C++: #include <iostream>
using namespace std;
int main(){
int n,a,b,c,d;
while(cin>>n){
int ans=0;
if(n<=36){
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(n==a+b+c+d) ans=ans+1;}
else {ans=0;}
cout<<ans<<endl;}
return 0;
}

C++: #include<iostream>
using namespace std;
int main(){
	while(cin >> N){
		int N,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(N == (a+b+c+d)){
							count ++;
						}
					}
				}
			}
		}
		cout << count << endl;
	}
	return 0;
}

C++: #include <iostream>

using namespace std;

int main(){
  int n;
  int a,b,c,d;
  int ans=0;
  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) ans++;
	}
      }
    }
  }
  cout << ans << endl;
  return 0;
}

C++: #include <iostream>
#include <string>
using namespace std;
int main()
{
	int a = 0, b = 0;
	while (cin >> a)
	{
		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 == a)
						{
							b++;
						}
					}
				}
			}
		}
	}
	cout << b << endl;
	
	return 0;
}

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

namespace {

int combination(int a, int b, int c, int d)
{
  // (a,a,a,a)
  if (a == d) {
    return 1;
  }
  // (a,a,a,d) or (a,b,b,b)
  else if (a == c || b == d) {
    return 4;
  }
  // (a,a,c,c)
  else if (a == b && c == d) {
    return 6;
  }
  // (a,a,c,d) or (a,b,b,d) or (a,b,c,c)
  else if (a == b || b == c || c == d) {
    return 12;
  }
  // (a,b,c,d)
  else {
    return 24;
  }
}

int calc(int n)
{
  int com = 0;
  int a, b, c, d;

  for (a = 0; a <= 9; ++a) {
    for (b = a; b <= 9; ++b) {
      for (c = b; c <= 9; ++c) {
        for (d = c; d <= 9; ++d) {
          const int sum = a + b + c + d;
          if (sum == n) {
            com += combination(a, b, c, d);
          }
          else if (sum > n) {
            return com;
          }
        }
      }
    }
  }

  return com;
}

} // unnamed namespace

int main()
{
  int n;
  while (std::cin >> n) {
    std::cout << calc(n) << std::endl;
  }

  return 0;
}

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

int main() {
  for(int N; cin >> 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++;
    cout << ans << endl;
  }
}

C++: #include<iostream>
int t[51],i,j,x,a,b;int main(){for(;i++<10000;t[x]++)for(j=x=0,b=i;j++<4;b/=10)x+=b%10;for(;!(std::cin>>a).eof();)printf("%d\n",t[a]);}

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

int main(){
	
	int n;
	int a, b, c, d;
	int combsum=0;

	while(cin >> n){
		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 )
							combsum++;

		cout << combsum << endl;
                combsum = 0;
	}
	return 0;
}

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

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

C++: #include<stdio.h>
#include<iostream>
using namespace std;
int main(){
  int n=0;
  int C=0;
  int a,b,c,d;
  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){
					  C++;
				  }
			  }
		  }
	  }
  }
  cout<<C<<endl;
  return 0;
}

C++: #include<iostream>
#include<string>
#include<algorithm>
#include<map>
#include<set>
#include<utility>
#include<vector>
#include<cmath>
#include<cstdio>
#define loop(i,a,b) for(int i=a;i<b;i++) 
#define rep(i,a) loop(i,0,a)
#define pb push_back
#define mp make_pair
#define it ::iterator
#define all(in) in.begin(),in.end()
typedef long long int LLI;
const double PI=acos(-1);
const double ESP=1e-10;
using namespace std;
int main(){
  int n;
  while(cin>>n){
    int co=0;
    rep(a,10)rep(b,10)rep(c,10)rep(d,10)if(a+b+c+d==n)co++;
    cout<<co<<endl;
  }
}

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

using namespace std;

int main(){
    int n;
    while(cin >> n){
        int a = 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++){
                        int x = i + j + k + l;
                        if(n==x){
                            a++;
                        }
                    }
                }
            }
        }
        cout << a << endl;
    }
}

C++: #include<iostream>
#include<string>
#include<algorithm>
using namespace std;
main(){
	int n;
	while(cin>>n){
		int sum=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)++sum;
		cout<<sum<<endl;
	}
}

C++: #include <stdio.h>

int main( void ){
    int nCount = 0,input;
    scanf( "%d",&input );

    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 == input ) nCount++;

    printf( "%d\n",nCount );
    return 0;
}

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


int dfs(int c,int s){
    if( c == 0 ) return s == 0;
    int ans = 0;
    for(int i = 0 ; i < 10 ; i++){
        ans += dfs(c-1, s-i);
    }
    return ans;
}

int main() {
    int n;
    while(cin >> n) cout << dfs(4, n) << endl;
}

C++: #include<iostream>

using namespace std;

#define MAX 256

int kai (int x){
	if(x == 1 || x == 0)return 1;
	return x * kai(x - 1);
}

int miku(int x){
	if(x > 36)return 0;
	if(x < 10)return kai(x + 3) / ( kai(x) * 6);
	if(x > 19)return miku(36 - x);
	if(x > 9 && x < 19)return kai(x + 3) / ( kai(x) * 6) - (miku(x - 10) * 4);
}

int main(void){
	int n,i = 0;
	int ans[MAX];
	
	while( cin >> n != EOF){
		ans[i] = miku(n);
		i++;
	}
	
	for(int j = 0;j < i;j++){
		cout << ans [j] <<endl;
	}

	return 0;
}

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

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int ans[5][37]={ 1 };
    for(int i=1; i<=4; i++) {
        ans[i][0]=ans[i-1][0];
        for(int j=1; j<=36; j++) {
            ans[i][j]=ans[i][j-1]+ans[i-1][j];
            if(j>9) ans[i][j]-=ans[i-1][j-10];
        }
    }

    int n;
    while(cin>>n) {
        if(n>36) cout<<"0\n";
        else cout<<ans[4][n]<<'\n';
    }
    return 0;
}