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28 lines
417 B
C#
28 lines
417 B
C#
using System;
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namespace problem_673A
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{
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class problem_673A
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{
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public static void Main(string[] args)
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{
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int n = int.Parse(Console.ReadLine());
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int[] a = Array.ConvertAll(Console.ReadLine().Split(), int.Parse);
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int l = 15;
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for (int i = 0; i < n; i++)
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{
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if (a[i] <= l)
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{
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l = a[i] + 15;
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}
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else
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{
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break;
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}
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}
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l = Math.Min(l, 90);
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Console.Write(l);
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}
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}
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}
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