The 7th Zhejiang Provincial Collegiate Programming Contest->Problem B：B - Somali Pirates

#include<bits/stdc++.h>
using namespace std;

int main(){
int t;
cin>>t;
while(t--){
string aa;
cin>>aa;
for(int i=0;i<aa.length();i++){
if(aa[i]<'0'||aa[i]>'9')
printf("%c",aa[i]);
}
cout<<endl;
}
return 0;
}