#include<bits/stdc++.h> using namespace std; int main() { int i,n,f=0; cin>>n; for(;n>=1;n--){ if((n/1000+n%1000/100+n%100/10+n%10)%2!=0&&(n/1000+n%1000/100+n%100/10+n%10)%5!=0){ f+=1; } } cout<<f; return 0; } /************************************************************** Problem: 1395 User: houshanglin Language: C++ Result: Accepted Time:16 ms Memory:2072 kb ****************************************************************/