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def cando( aval , req):
    ans=1000000;
    assert( len(aval) == len(req) );
    for i in range( len(aval) ):
        if( req[i] > 0):
            ans=min( ans , aval[i]/req[i]);
    assert( ans != 1000000 );
    return ans;

def getCount(input):
    ans=[ 0 for i in range(26)];
    for i in range( len(input) ):
        ans[ ord(input[i])- ord('a') ]+=1;
    assert( len(ans) == 26);
    return ans;

def getResi(aval , req , cont):
    for i in range( len(aval) ):
        aval[i]-=req[i]*cont;
    return aval;

if __name__ == '__main__':
    a=str( raw_input() );
    b=str( raw_input() );
    c=str( raw_input() );
    A=getCount(a);
    B=getCount(b);
    C=getCount(c);
    maxB=cando(A,B);

    #print(maxB);

    bc=0;
    cc=0;

    for i in range(0,maxB+1):
        tb=i;
        rem = getResi(A,B,tb);
        tc= cando(rem,C);

        if( tb + tc > bc + cc):
            bc=tb;
            cc=tc;
    #now print ans
    ans=[]
    for i in range(bc):
        for j in range( len(b) ):
            ans.append( b[j] );

    for i in range(cc):
        for j in range( len(c) ):
            ans.append( c[j]);

    A=getResi(A,B,bc);
    A=getResi(A,C,cc);

    for i in range(len(A)):
        for j in range(A[i]):
            ans.append(chr(97+i));

    print( ''.join(ans) );
