Clock

                       /*Bismillahir Rahmanur Rahim*/
//Template created by topcoder00

# include <list>
# include <bitset>
# include <algorithm>
# include <sstream>
# include <iostream>
# include <cstdlib>
# include <ctime>
# include <set>
# include <map>
# include <cmath>
# include <queue>
# include <limits>
# include <stack>
# include <vector>
# include <cstring>
# include <cstdio>
# include <fstream>
using namespace std;

int pel(string s){string t;t=s;reverse(t.begin(),t.end());if(s==t)return 1;return 0;}
string toString(int n){ostringstream ost;ost<<n;ost.flush();return ost.str();}
int toInt(string s){int r=0;istringstream sin(s);sin>>r;return r;}
bool isprime(int m){if(m<2) return 0;for( int i=2; i*i<=m ; i++)if(m%i==0)return 0; return 1;return 0;}

# define __(array,w)   memset(array,w,sizeof array)
# define FOR(i, a, b) for (int i=a; i<b; i++)
# define REP(i, a) FOR(i,0,a)
# define all(c) (c).begin(), (c).end()
# define sz(x) x.size()
# define MAX INT_MAX
# define pb push_back
# define MP make_pair
# define X first
# define Y second
# define SBS(s,a,b) (s).substr(a,b)
# define UNQ(s) {sort(all(s));(s).erase(unique(all(s)),s.end());}
# define rive(s) reverse(s.begin(),s.end())
# define VI vector<int>
# define VS vector<string>
# define VC vector<char>
# define out(a) cout<<#a<<"= "<<a<<endl;

void wait ( int seconds )
{
  clock_t endwait;
  endwait = clock () + seconds * CLOCKS_PER_SEC ;
  while (clock() < endwait) {}
}

int main ()
{
    time_t rawtime;
    tm * ptm;
    time ( &rawtime );
    ptm = gmtime ( &rawtime );

    char hh[4],mm[4],ss[4];

    int h=ptm->tm_hour+6,m=ptm->tm_min,s=ptm->tm_sec;

    while(1){
    printf("%2d:%2d:%2d",h%12,m,s);
    if(ptm->tm_hour+6 <12)cout<<" AM";else cout<<" PM";cout<<endl;
    s++;if(s==60)m++,s=0;if(m==60)m=0,h++;if(h==12)h=0;

    cout<<"\n\n\n\n\n\n\n\n\n\nDesigned by Iftekhar ahmed eather,\nStudent of CSE (07 batch),\nBUBT, Mirpur";
    wait(1);
    system("cls");
    }


  return 0;
}