AIC

def Jogo(x,y):  #3 1
    cont = 0
    while cont < 3:
        if (x == y):
            return 0
        if (x == 4):
            x = -1
        x += 1
        cont += 1

cont1 = 0
cont2 = 0
x = int(input())
for i in range(x):
    dario, xeres = map(int, input().split())
    result = Jogo(dario,xeres)
    if (result == 0):
        cont1 +=1
    else:
        cont2 +=1
if (cont1 > cont2):
    print("dario")
else:
    print("xerxes")