b=[]
a=[int(i) for i in input().split()]
for i in range(a[1]-1):
    b.append(int(input()))
b.append(a[0])
b.sort()
c=len(b)-b.index(a[0])
if c==1:
    print("1st")
elif c==2:
    print("2nd")
elif c==3:
    print("3rd")
else:
    print(str(c)+"th")