APP GCD (Recursivity)

#include <stdio.h>
#include <stdlib.h>

int pgcd (int x,int y)
{
    if (x%y!=0)
    {
        pgcd (y,x%y);
    }else
    {
        return y;
    }
}
int main()
{
    int x,y;
    scanf ("%d %d",&x,&y);
    printf ("%d",pgcd (x,y));
}