// In the name of God
#include<iostream>
#include<conio.h>
using namespace std;
int main()
{
   int a,b,c,k,d,r;
   cout<<"Enter 2 number to find B.M.M: "; 
   cin>>a>>b; 
   k=1;
   r=a%b;
   while(k==1)
   {
              r=a%b;
              if(r==0)
              {
                      cout<<b;
                      }
                      else 
                      {
                           a=b;
                           b=r;
                           }
                           if(r==0)
                           {
                           cout<<"\nEnter 2 number to find B.M.M: ";
                           cin>>a>>b;
                           }
                           }
                           
    
    getch();
    return 0;
}