f1,num=map(int,input().split())
fL=[f1]
for x in range(num-1):
    fL.append(int(input()))
B={a:i+1 for (i,a) in enumerate(sorted(fL,reverse=True))}
r=str(B[f1])
if r[-1:]=='1':
    print(r+"st")
elif r[-1:]=='2':
    print(r+"nd")
elif r[-1:]=='3':
    print(r+"rd")
else:
    print(r+"th")