Day 15 Golf

#include <stdio.h>
#define GU(G,A) long u_##G(){G=(G*A)%2147483647;return G;}
#define GU2(G,M) long u_##G##2 (){do{u_##G();}while((G%M)!=0);return G;}
long a,b;GU(a,16807) GU(b,48271) GU2(a,4) GU2(b,8)
int j(int iters, long (*ua)(), long (*ub)()){ a=703;b=516;int count = 0;
    for(int i=0;i<iters;i++) count+=((*ua)()&0xFFFF)==((*ub)()&0xFFFF);
    return count;}
int main(){
    printf("%d\n", j(40000000, &u_a, &u_b));
    printf("%d\n", j(5000000, &u_a2, &u_b2));
    return 0;}