/* mccarthy.C */
#include  <stdio.h>

int  mccarthy( int n ) 
{
    if  ( n > 100 )
        return   n - 10;    
    else 
        return  mccarthy( mccarthy( n + 11 ) );
}

int  main()
{
    int  ret, val, count = 0;

    while  ( !feof( stdin ) ) {
        int  ch = fgetc( stdin ); 
        if  ( ch < 0 )    // Check end of input
            break;
        if  ( ch > '\r' )
            count++;
    }   

    val = mccarthy( count );
    printf( "mccarth( %d ) = %d\n", count, val );

    ret = val & 0x1;

    printf( "Returning : %d\n", ret );

    return  ret;
}
/* mccarthy.C - End of File ------------------------------------------*/