n = int(input())
colors = ['R', 'O', 'Y', 'G', 'B', 'I', 'V']
ans = ''
for i in range(n-3):
ans += colors[i % 4]
ans += 'BIV'
print(ans)
#define ll long long
#define MAXN 200010
#define INF 0x3f3f3f3f
#include <bits/stdc++.h>
using namespace std;
int main(){
#ifdef _DEBUG
freopen("in.txt","r",stdin);
//freopen("out.txt","w",stdout);
#endif
#define int ll
ios::sync_with_stdio(false);
cin.tie(0);
int n;
cin >> n;
n -= 7;
string s = "ROYGBIV";
string m = "GBIV";
for (int i = 0; i < n; ++i) {
s += m[i % 4];
}
cout << s << endl;
return 0;
}
262A - Roma and Lucky Numbers | 1634B - Fortune Telling |
1358A - Park Lighting | 253C - Text Editor |
365B - The Fibonacci Segment | 75A - Life Without Zeros |
1519A - Red and Blue Beans | 466A - Cheap Travel |
659E - New Reform | 1385B - Restore the Permutation by Merger |
706A - Beru-taxi | 686A - Free Ice Cream |
1358D - The Best Vacation | 1620B - Triangles on a Rectangle |
999C - Alphabetic Removals | 1634C - OKEA |
1368C - Even Picture | 1505F - Math |
1473A - Replacing Elements | 959A - Mahmoud and Ehab and the even-odd game |
78B - Easter Eggs | 1455B - Jumps |
1225C - p-binary | 1525D - Armchairs |
1257A - Two Rival Students | 1415A - Prison Break |
1271A - Suits | 259B - Little Elephant and Magic Square |
1389A - LCM Problem | 778A - String Game |