t = int(input())
for _ in range(t):
e = int(input())
print((e*(e+1))//2 + 1)1551A - Polycarp and Coins | 313A - Ilya and Bank Account |
1469A - Regular Bracket Sequence | 919C - Seat Arrangements |
1634A - Reverse and Concatenate | 1619C - Wrong Addition |
1437A - Marketing Scheme | 1473B - String LCM |
1374A - Required Remainder | 1265E - Beautiful Mirrors |
1296A - Array with Odd Sum | 1385A - Three Pairwise Maximums |
911A - Nearest Minimums | 102B - Sum of Digits |
707A - Brain's Photos | 1331B - Limericks |
305B - Continued Fractions | 1165B - Polycarp Training |
1646C - Factorials and Powers of Two | 596A - Wilbur and Swimming Pool |
1462B - Last Year's Substring | 1608B - Build the Permutation |
1505A - Is it rated - 2 | 169A - Chores |
765A - Neverending competitions | 1303A - Erasing Zeroes |
1005B - Delete from the Left | 94A - Restoring Password |
1529B - Sifid and Strange Subsequences | 1455C - Ping-pong |