N = int(input())
while N:
    N = N - 1
    s = input()
    m = re.search(r'[+-]?(?P<xAxis>\d+(\.\d+)?), [+-]?(?P<yAxis>\d+(\.\d+)?)', s)
    if m:
        x = m['xAxis']
        xf = float(x)
        y = m['yAxis']
        yf = float(y)
        if x[0] == '0' and len(x) > 1 and x[1] != '.':
            print("Invalid")
            continue
        if y[0] == '0' and len(y) > 1 and y[1] != '.':
            print("Invalid")
            continue
        if(xf > 90 or yf > 180) :
            print("Invalid")
        else:
            print("Valid")
    else:
        print("Invalid")