#include<iostream.h>
#include<stdio.h>

int main(){


int I=1, II=2, III=3, IV=4, V=5, VI=6;
int VII=7, VIII=8, IX=9, X=10;
int L=50, C=100, D=500, M=1000;

cout<<"Roman Numerals!\n\n";

cout<<"\n I + I = "<<I + I<<" , or II";
cout<<"\n I + IV = "<<I + IV<<" , or V";
cout<<"\n L + X = "<<L + X<<" , or LX";
cout<<"\n D + III + X + VIII = "<<D + III + X + VIII<<" , or DXXI";

int num_in1=0;

cout<<"\n\nType in a number between 1 and 10: ";
cin>>num_in1;
switch(num_in1){
case 0: cout<<"There is no zero in Roman!!!\n";break;
case 1: cout<<"In Roman that's: I\n"; break;
case 2: cout<<"In Roman that's: II\n"; break;
case 3: cout<<"In Roman that's: III\n"; break;
case 4: cout<<"In Roman that's: IV\n"; break;	
case 5: cout<<"In Roman that's: V\n"; break;
case 6: cout<<"In Roman that's: VI\n"; break;
case 7: cout<<"In Roman that's: VII\n"; break;
case 8: cout<<"In Roman that's: VIII\n"; break;
case 9: cout<<"In Roman that's: IX\n"; break;
default: cout<<"Not between 1 and 10!\n";break;
}


return 0;
}