#include <bits/stdc++.h>
using namespace std;
long long ans[12] = {0,4,10,20,35,56,83,116,155,198,244,292};
int main(){
long long n;
cin >> n;
if(n <= 11)
cout << ans[n] << endl;
else
cout << ans[11] + (n - 11) * 49 << endl;
return 0;
}
50. Pow(x, n) | 43. Multiply Strings |
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17. Letter Combinations of a Phone Number | 5. Longest Palindromic Substring |
3. Longest Substring Without Repeating Characters | 1312. Minimum Insertion Steps to Make a String Palindrome |
1092. Shortest Common Supersequence | 1044. Longest Duplicate Substring |
1032. Stream of Characters | 987. Vertical Order Traversal of a Binary Tree |
952. Largest Component Size by Common Factor | 212. Word Search II |
174. Dungeon Game | 127. Word Ladder |
123. Best Time to Buy and Sell Stock III | 85. Maximal Rectangle |
84. Largest Rectangle in Histogram | 60. Permutation Sequence |
42. Trapping Rain Water | 32. Longest Valid Parentheses |
Cutting a material | Bubble Sort |
Number of triangles | AND path in a binary tree |
Factorial equations | Removal of vertices |
Happy segments | Cyclic shifts |