public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  String ABCD = sc . next ( ) ;
  int [ ] nums = new int [ 4 ] ;
  for ( int i = 0 ;
  i < ABCD . length ( ) ;
  i ++ ) {
    nums [ i ] = Character . getNumericValue ( ABCD . charAt ( i ) ) ;
  }
  int bits = 0 ;
  for ( int i = 0 ;
  i < 1 << 3 ;
  i ++ ) {
    int tmp = nums [ 0 ] ;
    for ( int j = 0 ;
    j < 3 ;
    j ++ ) {
      if ( ( i >> j & 1 ) == 1 ) {
        tmp += nums [ j + 1 ] ;
      }
      else {
        tmp -= nums [ j + 1 ] ;
      }
    }
    if ( tmp == 7 ) {
      bits = i ;
    }
  }
  StringBuilder str = new StringBuilder ( ) ;
  str . append ( ABCD . charAt ( 0 ) ) ;
  for ( int j = 0 ;
  j < 3 ;
  j ++ ) {
    if ( ( bits >> j & 1 ) == 1 ) {
      str . append ( "+" ) ;
    }
    else {
      str . append ( "-" ) ;
    }
    str . append ( ABCD . charAt ( j + 1 ) ) ;
  }
  str . append ( "=7" ) ;
  out . println ( str . toString ( ) ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; String ABCD = sc . next ( ) ; int [ ] nums = new int [ 4 ] ; for ( int i = 0 ; i < ABCD . length ( ) ; i ++ ) { nums [ i ] = Character . getNumericValue ( ABCD . charAt ( i ) ) ; } int bits = 0 ; for ( int i = 0 ; i < 1 << 3 ; i ++ ) { int tmp = nums [ 0 ] ; for ( int j = 0 ; j < 3 ; j ++ ) { if ( ( i >> j & 1 ) == 1 ) { tmp += nums [ j + 1 ] ; } else { tmp -= nums [ j + 1 ] ; } } if ( tmp == 7 ) { bits = i ; } } StringBuilder str = new StringBuilder ( ) ; str . append ( ABCD . charAt ( 0 ) ) ; for ( int j = 0 ; j < 3 ; j ++ ) { if ( ( bits >> j & 1 ) == 1 ) { str . append ( " + " ) ; } else { str . append ( " - " ) ; } str . append ( ABCD . charAt ( j + 1 ) ) ; } str . append ( " = 7" ) ; out . println ( str . toString ( ) ) ; }
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