#include<iostream>
#include<cmath>
using namespace std;
int main(){
	int a,b,x,i,y;
	cout<<" programme que clacul lcm "<<endl;
	cout<<"entrer le premier nombre a"<<endl;
	cin>>a;
	cout<<"entrer le deuxiem nombre b "<<endl;
	cin>>b;
	i=1;
	int z=1;
x=a;
y=b;
    do {
    	if(a>=b){
    	x=a*z;
    	z++;
    	i=1;
    	while((x!=y)&&(i<100)){
    		y=b*i;
    		i++;
		}
    	}
    	else if (a<b ){
    	y=b*z;
    	z++;
    i=1;

    	while((x!=y)&&(i<100)){

    		x=a*i;
    		i++;

		}

		}



	}while(x!=y);



    cout << "lcm a, b = " << x << endl;

    getchar();
    return 0;
}