if __name__ == '__main__':
    lis=[]
    for _ in range(int(input())):
        name = input()
        score = float(input())

        lista = [name,score]
        lis.append(lista)
    
    lis.sort(key=lambda x: x[1],reverse=False)
    
    for i in range(0,len(lis)):
        if lis[i][1]<lis[i+1][1]:
            val = lis[i+1][1]
            break
    new_lis = []
    for i in range(0,len(lis)):
        if lis[i][1] == val:
            new_lis.append(lis[i])
    
    new_lis.sort(key=lambda x: x[0],reverse=False)
    
    for i in range(0,len(new_lis)):
        print(new_lis[i][0])