#include <iostream>using namespace std;int main(){int n,max;bool a=false;cout<<"enter kol-vo numbers:"<<endl;cin>>n;if(n<=1000){int arr[n];cout<< "enter 1 chislo"<<endl;cin>>arr[0];max=arr[0];if(arr[0] % 10==3 && arr[0]<30000){a=true;for (int i=1;i<n;i++){cout<<"enter "<<(i+1)<<" chislo"<<endl,cin>>arr[i]; if(arr[i]>30000) { break; }}for (int i = 0; i < n; ++i) {if (arr[i] > max && arr[i] % 10==3){max = arr[i];}} }}if(a){ cout<<" max chislo okanch na 3: "<< max<<endl; }return 0;}