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#include <limits.h>
#include <stdio.h>
template<int base>
static bool adddgt(unsigned long &u, unsigned int d)
{
if (u > (ULONG_MAX - d) / base) {
return false;
}
u = u * base + d;
return true;
}
/*!types:re2c*/
static bool lex(const char *s, unsigned long &u)
{
const char *YYMARKER;
const char *YYCTXMARKER;
int c = yycinit;
u = 0;
/*!re2c
re2c:yyfill:enable = 0;
re2c:define:YYCTYPE = char;
re2c:define:YYCURSOR = s;
re2c:define:YYGETCONDITION = "c";
re2c:define:YYGETCONDITION:naked = 1;
re2c:define:YYSETCONDITION = "c = @@;";
re2c:define:YYSETCONDITION:naked = 1;
<*> * { return false; }
<init> '0b' / [01] :=> bin
<init> "0" :=> oct
<init> "" / [1-9] :=> dec
<init> '0x' / [0-9a-fA-F] :=> hex
<bin, oct, dec, hex> "\x00" { return true; }
<bin> [01] { if (!adddgt<2>(u, s[-1] - '0')) return false; goto yyc_bin; }
<oct> [0-7] { if (!adddgt<8>(u, s[-1] - '0')) return false; goto yyc_oct; }
<dec> [0-9] { if (!adddgt<10>(u, s[-1] - '0')) return false; goto yyc_dec; }
<hex> [0-9] { if (!adddgt<16>(u, s[-1] - '0')) return false; goto yyc_hex; }
<hex> [a-f] { if (!adddgt<16>(u, s[-1] - 'a' + 10)) return false; goto yyc_hex; }
<hex> [A-F] { if (!adddgt<16>(u, s[-1] - 'A' + 10)) return false; goto yyc_hex; }
*/
}
int main(int argc, char **argv)
{
for (int i = 1; i < argc; ++i) {
unsigned long u;
if (lex(argv[i], u)) {
printf("%lu\n", u);
} else {
printf("error\n");
}
}
return 0;
}