1092문제

#include <iostream>
#include<stdio.h>

using namespace std;

//1092
int main() {
	int a=1;
	int b=1;
	int c=1;
	int day = 1;
	cin >>a>>b>>c ;
	while (day%a!=0||day%b!=0||day%c!=0)
	{

		day++;

	}
	cout <<day ;
}