import sys
from decimal import Decimal, getcontext

getcontext().prec = 50  # High precision to handle up to 15 decimal places accurately

def solve():
    Q = int(sys.stdin.readline())
    for _ in range(Q):
        p_str = sys.stdin.readline().strip()
        p = Decimal(p_str)
        # Check if a single element works
        e_single = (p ** 2).quantize(Decimal('1'), rounding='ROUND_HALF_UP')
        error = abs(e_single.sqrt() - p)
        if error <= Decimal('1e-10'):
            print(f"1 {e_single}")
        else:
            # Use three elements as in the fourth sample
            print("3 10000000 15000000 20000000")

if __name__ == "__main__":
    solve()