#include <iostream> using namespace std; int main(){ int n,i,r = 0,g,s,b,q; cin>>n; for(i=1000;i<=n;i++){ q = i /1000; b = i / 100 % 10; s = i / 10 % 10; g = i % 10; if(q%2==1&&b%2==1&&s%2==1&&g%2==1){ // cout<<i<<endl; r = r + i; } } cout<<r; } /************************************************************** Problem: 1744 User: admin Language: C++ Result: Accepted Time:9 ms Memory:2072 kb ****************************************************************/