a:array[1..4,1..4] of real;
s:string;
x,y,z,d,i,j,k,l,tot:integer;
procedure done(wei:integer);
var
i1,j1,k1,l1:integer;
begin
if (wei=3) then
begin
x:=0;y:=0;z:=0;d:=0;
if a[3,1]+a[3,2]=24 then x:=1;
if (abs(a[3,1]-a[3,2])=24) then y:=1;
if a[3,1]*a[3,2]=24 then z:=1;
if ((a[3,2]<>0)and(a[3,1]/a[3,2]=24))or((a[3,1]<>0)and(a[3,2]/a[3,1]=24))
then d:=1;
if x+y+z+d<>0 then begin
write(yes);
halt;
end;
exit;
end;
for i:=1 to 5-wei do
for j:=1 to 5-wei do
if j<>i then
begin
tot:=0;
for l:=1 to 5-wei do
if (l<>i)and(l<>j) then begin
inc(tot);
a[tot,wei+1]:=a[l,wei];
end;
for k:=1 to 4 do
case k of
1:begin
a[tot+1,wei+1]:=a[i,wei]+a[j,wei];
done(wei+1);
end;
2:begin
a[tot+1,wei+1]:=a[i,wei]-a[j,wei];
done(wei+1);
end;
3:begin
a[tot+1,wei+1]:=a[i,wei]*a[j,wei];
done(wei+1);
end;
4:if a[j,wei]<>0 then
begin
a[tot+1,wei+1]:=a[i,wei]/a[j,wei];
done(wei+1);
end;
end;
end;
end;
begin
read(s);
tot:=0;
for i:=1 to length(s) do
case s[i] of
2..9:begin
inc(tot);
a[tot,1]:=ord(s[i])-ord(0);
end;
A:begin inc(tot); a[tot,1]:=1; end;
J:begin inc(tot);a[tot,1]:=11; end;
K:begin inc(tot);a[tot,1]:=13; end;
Q:begin inc(tot);a[tot,1]:=12; end;
1:begin inc(tot);a[tot,1]:=10; end;
end;
for i:=1 to 4 do
begin
for j:=1 to 4 do
if i<>j then
begin
tot:=1;
for l:=1 to 4 do
if (l<>i)and(l<>j) then begin
inc(tot);
a[tot,2]:=a[l,1];
end;
for k:=1 to 4 do
case k of
1:begin
a[1,2]:=a[i,1]+a[j,1];
done(2);
end;
2:begin
a[1,2]:=a[i,1]-a[j,1];
done(2);
end;
3:begin
a[1,2]:=a[i,1]*a[j,1];
done(2);
end;
4:begin
if a[j,1]<>0 then begin
a[1,2]:=a[i,1]/a[j,1];
done(2);
end;
end;
end;
end;
end;
write(no);
end.
求平