#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){ r=r+i; } } cout<<r; } /************************************************************** Problem: 1744 User: yangjunwen Language: C++ Result: Accepted Time:11 ms Memory:2072 kb ****************************************************************/