program-id.y.procedure division.display"1 January
6 June
4 April
3 March
6 June
1 January
1 January
5 May
1 January
9 September
8 August
4 April
12 December
4 April
6 June
1 January
6 June
7 July
7 July
6 June
9 September
2 February
12 December
9 September
9 September
5 May
8 August
10 October
1 January
1 January".