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 n, c = 0;

int main(){
    cin >> n;
    for(int i = 0; i < 10; i++){
        for(int j = 0; j < 10; j++){
            for(int k = 0; k < 10; k++){
                if(n - (i + j + k) >= 0 && n - (i + j + k) < 10) c++;
            }
        }
    }
    cout << c << endl;
    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);
	}
}
}

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

C++: #include<iostream>

using namespace std;

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

C++: #include <iostream>
using namespace std;
#define RENT 100000

int main(){
  int n;
  int cnt=0;
  while(std::cin >> n){
  
    for(int a=1;a<10;a++){
      for(int b=1;b<10;b++){
	for(int c=1;c<10;c++){
	  for(int d=1;d<10;d++){
	    if(a+b+c+d==n){
	      cnt++;
	    }
	  }
	}
      }
    }

    std::cout << cnt << std::endl;
    cnt = 0;
  }
}

C++: #include<iostream>

using namespace std;

int main()
{
	int num;

	while(cin>>num){
		int answer = 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==num)
							answer++;
				}
			}
		}
		cout <<answer<<endl;
	}

	return 0;	
}

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

int main(void)
{
	int num, total, ans, tmp,cc[11];

	while (cin >> num) {
		ans = 0;
		tmp = num;
		for (int j = 9; j >= 0; j--) {
			int C[11] = {0};
			C[10] = 4;
			num = tmp;
			for (int i = j; i > 0 && C[10] > 0; i--) {
				while (num-i >= 0) {
					C[10]--;
					C[i]++;
					num -= i;
				}
			}
			total = 0;
			if (num == 0) {
				total = 24;
				bool flag = true;
				for (int i = 0; i < 11; i++) 
					if (cc[i] != C[i]) flag = false;
				if (flag) total = 0;

				for (int i = 0; i < 11; i++) {
					cc[i] = C[i];
					while (C[i] > 0) {
						total /= C[i];
						C[i]--;
					}
				}
			}
			ans += total;
		}
		
		cout << ans << endl;
	}
	
	return 0;
}

C++: #include <iostream>

int main(){
	
	int e;
	int f=0;
	while(std::cin>>e){
		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==e){
							
							f++;
						}
		            }
		        }
		    }
		}
		std::cout<<f<<std::endl;
		f=0;
	}
    
    return 0;
    
}

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

int main(){
  
  vector<int> count_array;
  int count;
  int in_num;
  int a,b,c,d,i=0;
  while(cin>>in_num){
    count=0;
    if(in_num>36){
      count_array.push_back(0);
    }
    else{
      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)==in_num){
		cout<<"("<<a<<","<<b<<","<<c<<","<<d<<")"<<endl;
		count++;
	      }
	    }
	  }
	}
      }
      count_array.push_back(count);
    }
    i++;
  }
  for(int j=0;j<i;j++){
    cout<<count_array[j]<<endl;
  } 
}

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

using namespace std;

int main()
{
	int n;

	while (cin >> n) {
		int cnt = 0;

		for (int i = 0; i <= 9; ++i) {
			for (int j = 0; j <= 9; ++j) {
				for (int k = 0; k <= 9; ++k) {
					int a = n - i - j - k;
					if (0 <= a && a <= 9) cnt++;
				}
			}
		}

		cout << cnt << 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>
#include<cmath>
#include<cstdio>

using namespace std;

int main()
{
	int n, a, b, c, d;
	double  ans;

	while(cin >> n)
	{

	for(a = 0; a < 10; a++)
	{
		ans = 0;
			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 ++;
							}
					}
			}
	}
	printf("%.0f\n", ans);
	
	}

	return 0;
}

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

int main()
{
	int a, b, c, d, n, iCount;

	while( cin >> n ){
		iCount = 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 )
							iCount++;
					}
				}
			}
		}

		cout << iCount << endl;

	}

	return 0;
}

C++: #include <iostream>

using namespace std;

int main(){

	int n;
	int a , b , c , d;
	int ans , count;

	while(cin >> n){
		if(n == 0) break;

		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++){

						ans = a + b + c + d;
						if(ans == n){
							count++;
						}
					}
				}
			}
		}

		cout << count << endl;
	
	}

	return 0;
}

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

int setCount(int n) {
    int aRange = 9;
    int bRange = 9;
    int cRange = 9;
    int dRange = 9;
    int sum;
    int count = 0;
    
    for(int a = 0; a <= aRange; a++) {
        for(int b = 0; b <= bRange; b++) {
            for(int c = 0; c <= cRange; c++) {
                for(int d = 0; d <= dRange; d++) {
                    sum = a + b + c + d;
                    if(sum == n){
                        count++;
                    }
                }
            }
        }
    }
    return count;
}

int main(void) {
    int count = 0;
    int n;
    
    while(cin >> n) {
        count = setCount(n);
        cout << count << endl;
        count = 0;
    }
    
    return 0;
}

C++: #include <iostream>

#define rep(i,n)      for(int i=0;i<n;i++)

using namespace std;

int table[36 + 1];

int main()
{
	rep(a,10)rep(b,10)rep(c,10)rep(d,10) table[a+b+c+d]++;

	int N;
	while (cin>>N)
	{
		if (N > 36)
			cout << 0 << endl;
		else
			cout << table[N] << endl;
	}
	return 0;
}

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

  return 0;
}

C++: #include <cstdio>
#include <iostream>
#include <algorithm>
using namespace std;
int ans;
int d[4];
int n;

// 1+2+4+8=15
void rec(int use) {
  if(use == 15) {
    if(d[0]+d[1]+d[2]+d[3]==n) ans++;
  }
  for(int i=0;i<4;i++) {
    if(use & (1<<i)) return;
    for(int j=0;j<10;j++) {
      d[i]=j;
      rec(use|(1<<i));
    }
  }
}

main() {
  while(cin>>n) {
    ans=0; rec(0);
    cout <<ans<<endl;
  }
}

C++: #include <iostream>

using namespace std;

int main()
{
    int table[36 + 1] = {};
    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) {
		    ++table[a + b + c + d];
		}
	    }
	}
    }
    int in;
    while (cin >> in) {
	if (0 <= in && in <= 36)
	    cout << table[in] << endl;
    }
    return 0;
}