if name == 'main':
records = [] for _ in range(int(input())): name = input() score = float(input())

    records.append([name, score]) 
#print(records)      
a = sorted(records, key=lambda x: x[1])   
#print(a[4][1])   
b= len(a)    
d = []    
#print(b)  
for i in range(b) :         
    d = [a[i][1]] + d   
d.sort()   
#print(d)      
for i in range (b) :  
    if d[i+1] > d[i] :     
        f = (d[i+1])    
        #print(f) 
        break   
g = [] 
for i in range (b) :    
    if a[i][1] == f :                           
        g = [a[i][0]] + g     
g.sort()    
#print(g)
for i in g :   
    print(i)