#include <iostream>
using namespace std;
int main() {
    string s = "sfSDFsdf@#$324SDFA34sdf**))sdfGE35$#";
    int s1="";
    
    for(char c:s){
        if(c>='0' &&c<='9'){
            s1+=c;
        }
    }
    cout<<s1<<endl;
    
    return 0;
}