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26 lines
441 B
C++
26 lines
441 B
C++
// R38820772
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#include<bits/stdc++.h>
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using namespace std;
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bool cnt[10000005];
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int n, a[1005];
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int main() {
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cin >> n;
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for(int i = 0 ; i < n ; i++) {
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cin >>a[i];
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}
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for(int i = 1 ; i < n ; i++) {
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if(!cnt[abs(a[i]-a[i-1])]) {
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cnt[abs(a[i]-a[i-1])] = true;
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} else {
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cout << "Not jolly" << endl;
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return 0;
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}
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}
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cout << "Jolly" << endl;
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return 0;
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}
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