#include <stdio.h>

struct ratio {
    int n;
    int d;
};

void baker(struct ratio* p) {
    int n = p->n, d = p->d;

    if (n*2 > d) {
        n = d-n;
    }
    p->n = 2*n ;
}

int main(void) {
    struct ratio r;
    int i, n;

    printf("initial value ?/? "); scanf("%d/%d", &r.n, &r.d); 
    printf("repetition times? "); scanf("%d", &n); 
    
    for (i=0; i<n; i++) {
        printf("%d/%d ", r.n, r.d);
        baker(&r);
    }
    printf("\n");

    return 0;
}