if __name__ == '__main__':
    a=[]
    b=[]
    for i in range(int(input())):
        name = input()
        score = float(input())
        a.append([name,score])
        b.append(a[i][1])
    b.sort()
    b=set(b)
    c=list(b)
    d=[]
    for i in range(len(a)):
        if c[1]==a[i][1]:
            d.append(a[i][0])
    d.sort()
    for i in range(len(d)):  
        print(d[i])