first =input();
firstdata = first.split(" ");

sintyo = int(firstdata[0]);
num = int(firstdata[1])-1;
result=1;

for inputer in range(num):
	hikaku = int(input());
	if hikaku > sintyo:
		result = result+1;

if result%10==1:
	result = str(result)+"st";
elif result%10 ==2:
	result = str(result)+"nd"; 
elif result%10 ==3:
	result = str(result)+"rd"; 
else:
	result = str(result)+"th"; 

print(result);