#include<iostream>
#include<algorithm>
#include<cmath>
#include<cstring>
#include<string>
#include<cstdio>
using namespace std;
int main()
{
    int a,b,c;
    cin>>a>>b>>c;
    for(int i=1;;++i)
    {
    	if(i%a==0&&i%b==0&&i%c==0)
    	{
    		cout<<i<<endl;
    		return 0;
		}
	}
	return 0;
}