#include <bits/stdc++.h>
using namespace std;
int main()
{
freopen("chuso.inp","r",stdin);
freopen("chuso.out","w",stdin);
int n;
cin>>n;
cout<<"Chu so hang chuc la:"<<n/10<<endl;
cout<<"Chu so hang don vi la:"<<n%10;
return 0;
}
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