#include <fstream>
#define dim 1001
using namespace std;

short int urm[dim],i,ii,j,N,k,p;

int main()
{
    ifstream f("portocal.in");
    ofstream g("portocal.out");
short int poz,k2,m;
bool ok=1;

f>>N>>k>>p;


/******************************************/
for(i=0;i<N;++i)
  urm[i]=i+1;
urm[N]=1;

//eliminari
poz=N;

for(ii=1;ii<N;++ii) //vor fi N-1 eliminari
{
    k2=k%(N-ii+1);
    if(k2==0) k2=(N-ii+1);
    for(j=1;j<k2;j++)
      poz=urm[poz];
    //elimin urm[poz]
//   g<<" *Elimin din sir "<<urm[poz]<<'\n';
    urm[poz]=urm[urm[poz]];
}
//g<<" *Mai ramane in sir "<<poz<<'\n'<<'\n';
/******************************************/

if(poz<=p)
  m=p-poz+1;
else
  m=N+p-poz+1;

g<<m<<'\n';

    return 0;
}