#include<stdio.h>
int main(void){
int ye,mo,da;
scanf("%d/%d/%d",&mo,&da,&ye);
printf("Dated this %d",da);
if(da%10==1&&da!=11)
printf("st");
else if(da%10==2&&da!=12)
printf("nd");
else if(da%10==3&&da!=13)
printf("rd");
else
printf("th");
printf(" day of ");
switch(mo){
case 1:printf("January");break;
case 2:printf("February");break;
case 3:printf("March");break;
case 4:printf("April");break;
case 5:printf("May");break;
case 6:printf("June");break;
case 7:printf("July");break;
case 8:printf("August");break;
case 9:printf("September");break;
case 10:printf("October");break;
case 11:printf("November");break;
case 12:printf("December");break;
}
if(ye<10)
printf(", 200%d",ye);
else
printf(", 20%d",ye);
return 0;
}