h,n=map(int,input().split())
hx=[int(input()) for _ in '1'*(n-1)];hx.append(h)
hx=sorted(hx,reverse=True)
i=hx.index(h)+1
if str(i)[-1]=='1': m='st'
elif str(i)[-1]=='2': m='nd'
elif str(i)[-1]=='3': m='rd'
else:m='th'
print(i,m,sep='')