/* Gauge Smithee
 * MinMax
 * Mrs.Reagan
 * First Hour
 */
public class Program {

	public static void main(String[] args) {

		int [] nums = {3,1,5,3};
		int i, smallest;

		smallest = nums[0];
		i = 1;
		while(i < nums.length) {
		if(nums[i] > smallest)
			smallest = nums[i];
			i = i +1;
		}
		System.out.println (smallest);
	}

}