Function that provides the desired space between two numbers

#include <stdio.h>
int space(int n)
{
        int i;
        for(i=0;i<n;i++)
                printf(" ");
        return 0;
}
int main()
{
        int a,b,x;
        printf("Enter two numbers:-");
        scanf("%d%d",&a,&b);
        printf("Enter the number of spaces: ");
        scanf("%d",&x);
        printf("%d",a);
        space(x);
        printf("%d",b);
        fflush(stdin);
        getchar();
        return 0;
}