Daca doua cifre au aceeasi paritate sau nu

#include <iostream>

using namespace std;

int main()
{
    int a, b, cnt1=0, cnt2=0, c;
    bool p=1, k=1;
    cout<<"a="; cin>>a;
    cout<<"b="; cin>>b;
    if(a%2==0)
        p=1;
    else
        p=0;
    if(b%2==0)
        k=1;
    else
        k=0;
    if(p==k)
    {
       while(a)
       {
           c=a%10;
           if(c%2==0)
                cnt1++;
           a/=10;
       }
       while(b)
       {
            c=b%10;
           if(c%2==0)
                cnt1++;
           b/=10;
       }
    }
    if(cnt1)
        cout<<cnt1<<"\n";
    if(p!=k)
    {
       while(a)
       {
           c=a%10;
           if(c%2==1)
                cnt2++;
           a/=10;
       }
       while(b)
       {
            c=b%10;
           if(c%2==1)
                cnt2++;
           b/=10;
       }
    }
    if(cnt2)
        cout<<cnt2;
    return 0;
}