#include <bits/stdc++.h>
using namespace std;
int main(){
	cout<<"     1     2     3     4     5     6     8     9    10    12"<<endl;
	cout<<"    15    16    18    20    24    25    27    30    32    36"<<endl;
	cout<<"    40    45    48    50    54    60    64    72    75    80"<<endl;
	cout<<"    81    90    96   100"<<endl;
	cout<<"个数：34"<<endl;
	return 0;
}