//No.79 過小評価ダメ・ゼッタイ(仮)
import std.stdio;
void main() {
	uint num;
	char[] vote;
	uint[6] count;

	readf("%d\n", &num);
	readln(vote);

	for(uint i=0; i < num; i++) {
		count[vote[2*i]-'1']+=1;
	}

	uint best = count[0];
	uint level = 0;
	for(uint i=1; i<6; i++) {
		if(count[i] >= best) {
			best = count[i];
			level = i;
		}
	}
	writeln(level+1);
}