#include<iostream> using namespace std; int n,v[4]={10,20,50,100},f[1005],i,j; int main() { scanf("%d",&n); f[0]=1; for(i=0;i<4;i++)for(j=v[i];j<=n;j++)f[j]+=f[j-v[i]]; printf("%d\n",f[n]); return 0; }