var pos,neg: integer; i,k,x: integer; ev,un: integer; a,b: array [1..n] of integer;
begin for i := 1 to n do read(a[i]); k := 0; pos := 0; neg := 0; for i := 1 to n do begin ev := 0; un := 0; x := a[i]; if x <> 0 then if x > 0 then if (x < pos) or (pos = 0) then pos := x else else if (x > neg) or (neg = 0) then neg := x; x := abs(x); while x <> 0 do begin if odd(x) then un := un + 1 else ev := ev + 1; x := x div 10 end; if un = ev then begin k := k + 1; b[k] := a[i] end end;
writeln(pos,' ',neg); for i := 1 to k do write(b[i],' ') end.
#include <bits/stdc++.h>
using namespace std;
int search1(string str) {
for (int i = 0; i < str.size(); i++) {
if (str[i] == 'f') return i;
}
return -1;
}
int search2(string str) {
for (int i = str.size() - 1; i >= 0; i--) {
if (str[i] == 'f') return i;
}
return -1;
}
int main() {
string str = {};
getline(cin, str);
int a = search1(str);
int b = search2(str);
if (a != -1) {
if (a == b)
cout << a;
else
cout << a << " " << b;
}
return 0;
}