cp1.2

#include <stdio.h>

int nod(int a, int b)
{
    int r;
    while (b != 0) {
        r = a % b;
        a = b; b = r;
    }
    return a;
}

int main(void)
{
    int m, n, aux;
    scanf("%d%d", &m, &n);
    aux = nod(m, n);
    m /= aux; n /= aux;
    printf("%d / %d", m, n);
}