#include <stdio.h>
#include <math.h>

typedef long double LD;

int main()
{
    int z, k, cm, fm;
    LD x, eps, l, r, m, mm;
    scanf("%d", &z);
    while (z--) {
        scanf("%LF%d", &x, &k);
        eps = pow(0.1, k);
        l = 1.0;
        r = x;
        m = (l+r)/2;
        mm = m*m;
        while (fabs(mm-x) > eps) {
            if (mm < x) l = m+eps;
            else r = m-eps;
            m = (l+r)/2;
            mm = m*m;
        }
        cm = (int) ceil(m);
        fm = (int) floor(m);
        if (cm*cm > x) printf("%d ", fm);
        else printf("%d ", cm);
        printf("%.15LF ", m);
        if (fm*fm < x) printf("%d\n", cm);
        else printf("%d\n", fm);
    }
    return 0;
}