UVA 100 __ The 3n+1

#include <iostream>
using namespace std;

int main()
{
    int a,b,j,i,x,c=0,m=0;
    unsigned int n;
    while(cin >> a >> b)
    {
        if(a>b){
            swap(a,b);
        }
    for(i=a; i<=b; i++)
    {
        n=i;
        while(n!=1)
        {
            else if(n%2!=0)
                n=(n*3)+1;
            else if(n%2==0)
            n = n/2;
            c++;
        }
        m=max(m,c);
        c=0;
    }
    cout << a << " " << b << " " << m << endl;
    m=0;
    n=0;
}
    return 0;
}