2.gcd and lcd

#include<stdio.h>
int main () {
int x,y,z,rem,temp;
scanf("%d%d",&x,&y);
temp=x;
z=y;
while (z!=0) {
    rem=temp%z;
    temp=z;
    z=rem;

}

printf("GCD=%d\n",temp);
printf("LCD=%d\n",(x*y)/temp);


return 0;
}