#include<bits/stdc++.h>
using namespace std;
int main()
{
	long long int n,m,t,ans=0,minn=0;
	cin>>n>>m>>t;
	minn=min(n,m);
	minn=min(minn,t); 
	for(int i=1;i<=minn;i++)
	{
		if(n%i==0&&m%i==0&&t%i==0)
		{
			ans=i;
		}
	}
	cout<<ans*(n/ans)*(m/ans)*(t/ans);
	return 0;
}

结果

WA像跪着