AtCoder Beginner Contest 114 Solution

A 753

Solved.

 1     #include <bits/stdc++.h>
 2     using namespace std;
 3      
 4     int mp[10];
 5      
 6     int main()
 7     {
 8         mp[7] = mp[5] = mp[3] = 1;
 9         int x; cin >> x;
10         puts(mp[x] ? "YES" : "NO");
11     }

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