Program to guess your the Date of birth.... in C++

#include<iostream.h>
#include<conio.h>
#include<iomanip.h>

void main()
{
int date=0;
char answer;
int dates[5][4][4]={
{{1,3,5,7},{9,11,13,15}, {17,19,21,23}, {25,27,29,31}},
{{2,3,6,7},{10,11,14,15},{18,19,22,23}, {26,27,30,31}},
{{4,5,6,7},{12,13,14,15},{20,21,22,23}, {28,29,30,31}},
{{8,9,10,11},{12,13,14,15}, {24,25,26,27},{28,29,30,31}},
{{16,17,18,19},  {20,21,22,23},{24,25,26,27},{28,29,30,31}}
};

for(int i=0;i<5;i++)
{
clrscr();
cout<<" is  your birth date in Set "<<(i+1)<<"?"<<endl;
for(int j=0;j<4;j++)
{
for(int k=0;k<4;k++)
{
cout<<setw(3)<<dates[i][j][k]<<" ";
cout<<endl;
}
cout<<"\nEnter N for No and Y for Yes: ";
cin>>answer;
if(answer =='Y' || answer=='y')
date+=dates[i][0][0];
}
cout<<"Your birth date is "<<date<<endl;
}
getch();
}