#include<stdio.h>
int gcd(int a,int b){
    while(b!=0){
        int temp = b;
        b = a%b;
        a = temp;
    }
    return a;
}
int lcm(int a,int b){
    return (a*b)/gcd(a,b);
}
int main(){
    int num1,num2:
    printf("Enter the first number :");
    scanf("%d",&num1);
    printf("Enter the second number :");
    scanf("%d",&num2);
    printf("GCD :%d\n",gcd(num1,num2));
    printf("LCM : %d\n",lcm(num1,num2));
}