UVA 100 3n+1 Problem

#include<iostream>
#include<cmath>

using namespace std;

int main()
{
int i,j;
while(cin>>i)
{
cin>>j;
int ti = i;
int tj = j;
if(i>j) swap(i,j);

int mc,mxc;
mxc =0;

while(i<=j)
{
mc=1;
unsigned int n = i;

while(n!=1)
{
if(n%2==1) n = 3 *n +1;
else n = n/2;
mc++;
}
if(mc>mxc)
{
mxc = mc;
}
i++;
}
cout<<ti<<" "<<tj<<" "<<mxc<<endl;
}
return 0;
}