#include <iostream>

using namespace std;

int main(void){

int x1,y1,x2,y2,a1,a2,n,i;

cout<<"Program 3 by team X"<<endl;

cout<<"Initial time Final time Passes"<<endl;

while(cin>>x1>>y1>>x2>>y2){

cout<<" ";

if(x1>9) cout<<x1;

else cout<<"0"<<x1;

cout<<":";

if(y1>9) cout<<y1;

else cout<<"0"<<y1;

cout<<" ";

if(x2>9) cout<<x2;

else cout<<"0"<<x2;

cout<<":";

if(y2>9) cout<<y2;

else cout<<"0"<<y2;

cout<<" ";

n=0;

if(x1==x2&&y1<y2){

a1=x1%12;

a2=x1%12;

if( 60*a1>11*y1 && 60*a2<11*y2 ) n++;

}

else{

a1=x1%12;

a2=x2%12;

if(60*a1>11*y1&&a1!=11) n++;

i=x1+1;

while(1){

if(i>12) i=1;

if(i==x2) break;

if(i!=11) n++;

i++;

}

if(60*a2<11*y2) n++;

}

if(n>9) cout<<n<<endl;

else cout<<" "<<n<<endl;

}

cout<<"End of program 3 by team X"<<endl;

return 0;

}