C++ :

#include<iostream>
using namespace std;
int main()
{
  int a,b,c,d,e=0;
  for (a=1;a<=9;++a)
  for (b=1;b<=20;++b)
  for (c=1;c<=42;++c)
  for (d=1;d<=83;++d)
  if ((10*a+5*b+2*c+d==100)&&(a+b+c+d==40))
  e++;
  cout<<e<<endl;
  return 0;
}